PHP Classes

PHP Script Profiler: Profile the execution of PHP scripts

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Version License PHP version Categories
script_profiler 1.0.0Custom (specified...5.4PHP 5, Time and Date, Performance and...
Description 

Author

Mike Jordan

This class can profile the execution of PHP scripts.

It can start measuring the time a section of a script takes to execute from one point to another point of the script.

Each profiled section may have a named label. Multiple sections can be profiled in the same script.

A summary of the profiled script sections can be displayed outputted to a given log file. It includes the time spent and the memory being used.

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Example

<?php

require_once 'PHP Profiler/profiler.php';
$profile = new profiler;

$point_1 = $profile->start_profile( 'Script Includes' );

include 'objSQL_3.5.2/objSQL.php';

$profile->stop_profile( $point_1 );

$point_2 = $profile->start_profile( 'DB Connection' );

$dbh = new objsql( array( 'sqlite', '', '', '', 'G:\www\dev\Projects\mojotest2.sq3' ) );

if ( error_get_last() !== null )
    throw new Exception( error_get_last()['message'] );
else
    echo "objSQL Version: {$dbh->obj_info()['OBJSQL_VERSION']}<br />
          Database: {$dbh->obj_info()['DATABASE_NAME']}<br />
          Driver: {$dbh->obj_info()['DATABASE_DRIVER']}<br />
          DB Type: {$dbh->obj_info()['DATABASE_TYPE']}<br />
          Version: {$dbh->obj_info()['DATABASE_VERSION']}<br />
          Collation: {$dbh->obj_info()['DATABASE_CHARSET']}<br />
          PHP Version: {$dbh->obj_info()['PHP_VERSION']}<br /><hr />";
               
$profile->stop_profile( $point_2 );

$point_3 = $profile->start_profile( 'Insert Query' );
       
for ( $i = 1; $i < 41; $i++ )
{
    $data = array( 'f_name' => 'Bob',
                   'l_name' => 'Jones' );
   
    $rs = $dbh->obj_insert( 'emp_test', $data );
               
    if ( $dbh->obj_error() )
        throw new Exception( $dbh->obj_error_message() );
               
    $data = array( 'f_name' => 'Helen',
                   'l_name' => 'Xavier' );
   
    $rs = $dbh->obj_insert( 'emp_test', $data );
               
    if ( $dbh->obj_error() )
        throw new Exception( $dbh->obj_error_message() );
   
    $data = array( 'f_name' => 'Ken',
                   'l_name' => 'Gomez' );
   
    $rs = $dbh->obj_insert( 'emp_test', $data );
               
    if ( $dbh->obj_error() )
        throw new Exception( $dbh->obj_error_message() );
   
    $data = array( 'f_name' => 'Patty',
                   'l_name' => 'Cline' );
   
    $rs = $dbh->obj_insert( 'emp_test', $data );
               
    if ( $dbh->obj_error() )
        throw new Exception( $dbh->obj_error_message() );
}

$profile->stop_profile( $point_3 );

$point_4 = $profile->start_profile( 'Select Query' );

$rs = $dbh->obj_select( 'emp_test', '', 'emp_id' );
       
if ( $dbh->obj_error() )
    throw new Exception( $dbh->obj_error_message() );
       
while ( $rs->obj_fetch_assoc() )
{
    echo "{$rs->obj_field( 'emp_id' )} -
          {$rs->obj_field( 'f_name' )} -
          {$rs->obj_field( 'l_name' )}<br />";
}
       
$rs->obj_free_result();
       
$profile->stop_profile( $point_4 );

//save to log file
$profile->print_profile( 'profile_log.txt' );

//print to screen
echo "<pre>{$profile->print_profile()}</pre>";

?>

Details


App:       PHP Script Profiler
Version:   1.0.0
Author:    MT Jordan <[email protected]>
Copyright: 2014
License:   zlib/libpng License

**********************************************************************************

PHP Script Profiler is a script profiler that is designed to help determine
execution time or memory bottlenecks in PHP scripts.

*********************************************************************************

PHP Script Profiler Features:

    * Diagnose execution time errors or memory errors for intensive SQL queries
    * List unnecessary or unknown included/required files
    * Create unlimited profile points
    * Print to screen or save to local file

Requirements:

    * PHP 5.4+

*********************************************************************************

Usage:

<?php

include 'profiler.php';

$profile = new profiler;

//Create profile point
$point_1 = $profile->start_profile( 'Profile Description 1' );

//Code to profile - ie: SQL Query, display data, etc.

//End profile point
$profile->stop_profile( $point_1 );

//Create profile point
$point_2 = $profile->start_profile( 'Profile Description 2' );

//Code to profile - ie: SQL Query, display data, etc.

//End profile point
$profile->stop_profile( $point_2 );

//Print to screen
echo "<pre>{$profile->print_profile()}</pre>";

//Write to file
$profile->print_profile( 'logs/profile_log.txt' );

?>

  Files folder image Files (5)  
File Role Description
Accessible without login Plain text file example.php Example Example script
Accessible without login Plain text file license.txt Lic. License File
Plain text file profiler.php Class PHP Script Profiler is a script profiler
Accessible without login Plain text file profile_log.txt Output Example log file
Accessible without login Plain text file readme.txt Doc. Readme file

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