3v4l.org

run code in 300+ PHP versions simultaneously
<?php define(TRACES_MODE, 'TEXTAREA');//'TEXTAREA' or 'FIREPHP' $GLOBALS['traces.pre']=array(); function my_array_diff($arr1, $arr2) {foreach ($arr1 as $k=>$v) {if (in_array($v, $arr2, true)) {unset($arr1[$k]); } } return $arr1; } function my_var_export($var, $is_str=false) {$rtn=preg_replace(array('/Array\s+\(/', '/\[(\d+)\] => (.*)\n/', '/\[([^\d].*)\] => (.*)\n/'), array('array (', '\1 => \'\2\''."\n", '\'\1\' => \'\2\''."\n"), substr(print_r($var, true), 0, -1)); $rtn=strtr($rtn, array("=> 'array ('"=>'=> array (')); $rtn=strtr($rtn, array(")\n\n"=>")\n")); $rtn=strtr($rtn, array("'\n"=>"',\n", ")\n"=>"),\n")); $rtn=preg_replace(array('/\n +/e'), array('strtr(\'\0\', array(\' \'=>\' \'))'), $rtn); $rtn=strtr($rtn, array(" Object',"=>" Object'<-")); if ($is_str) {return $rtn; } else {echo $rtn; } } function tick_handler() {$tmp=debug_backtrace(); $trace=my_array_diff($tmp, $GLOBALS['traces.pre']); //echo '<pre>';var_export($trace);echo '</pre>';echo '<br/>'; //for debug diyism_trace.php $trace=array_values($trace); $GLOBALS['traces.pre']=$tmp; if (count($trace)>0 && $trace[0]['file'].'/'.@$tmp[1]['function']!==@$GLOBALS['traces'][count($GLOBALS['traces'])-1]['key']) //filter empty array and rearrange array_values(), because some lines will trigger two tick events per line, for example: 1.last line is "some code;questmark>" 2.error_reporting(... {for ($i=count($trace)-1; $i>=0; --$i) {$GLOBALS['traces'][]=$tmp_fb=array_merge(array('key'=>$trace[$i]['file'].'/'.@$tmp[$i+1]['function']), $trace[$i], array('function'=>strtr($trace[$i]['function'], array('tick_handler'=>'CONTINUE')), 'in_function'=>@$tmp[$i+1]['function'])); TRACES_MODE==='FIREPHP'?fb(trace_output($tmp_fb), 'diyism_trace:'.++$GLOBALS['diyism_trace_no']):''; } } } function trace_output($trace) {$trace['in_function']=strtr(@$trace['in_function'], array('require'=>'', 'require_once'=>'', 'include'=>'', 'include_once'=>'')); $trace['args']=$trace['args']?strtr(preg_replace(array('/\n +/'), array(''), preg_replace(array('/\n \d+ => /'), array(''), substr(my_var_export($trace['args'], true), 7, -3))), array("\r"=>'\r', "\n"=>'\n')):''; return $trace['file'].($trace['in_function']?'/'.$trace['in_function'].'()':'').'/'.$trace['line'].': '.$trace['function'].'('.$trace['args'].')'; } function traces_output() {echo '<textarea style="width:100%;height:300px;">'; $GLOBALS['traces']=array_slice($GLOBALS['traces'], 2);//remove registering tick line and requiring 'diyism_trace.php' line foreach ($GLOBALS['traces'] as $k=>$trace) {echo htmlentities($k.':'.trace_output($trace)."\n"); } echo '</textarea>'; } register_tick_function('tick_handler'); TRACES_MODE==='TEXTAREA'?register_shutdown_function('traces_output'):''; ?> <?php declare(ticks=1); a('a', array('hello')); 1+2; b(); function a() {$d=1; b(); $d=2; } function b() {1+1; } ?>

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0100.01018.43
8.3.50.0050.01021.21
8.3.40.0040.01118.93
8.3.30.0140.00018.89
8.3.20.0040.00418.86
8.3.10.0040.00420.92
8.3.00.0000.00721.73
8.2.180.0100.01016.88
8.2.170.0110.00422.96
8.2.160.0100.00320.51
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0070.00021.03
8.2.110.0090.00022.14
8.2.100.0060.00617.76
8.2.90.0000.00819.22
8.2.80.0000.00817.97
8.2.70.0100.00017.75
8.2.60.0030.00617.93
8.2.50.0040.00418.07
8.2.40.0030.00518.34
8.2.30.0000.00719.39
8.2.20.0000.00817.80
8.2.10.0000.00817.77
8.2.00.0030.00517.83
8.1.280.0150.00025.92
8.1.270.0090.00023.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00321.15
8.1.230.0070.00420.87
8.1.220.0080.00018.77
8.1.210.0080.00019.08
8.1.200.0090.00017.25
8.1.190.0060.00317.52
8.1.180.0050.00318.10
8.1.170.0060.00318.82
8.1.160.0050.00218.81
8.1.150.0000.00818.66
8.1.140.0060.00317.39
8.1.130.0000.00717.78
8.1.120.0000.00717.48
8.1.110.0000.00717.48
8.1.100.0000.00717.40
8.1.90.0080.00017.38
8.1.80.0040.00417.55
8.1.70.0030.00317.37
8.1.60.0090.00017.59
8.1.50.0060.00317.37
8.1.40.0050.00317.57
8.1.30.0000.00817.65
8.1.20.0030.00617.65
8.1.10.0000.00817.66
8.1.00.0080.00017.52
8.0.300.0050.00220.10
8.0.290.0040.00417.30
8.0.280.0030.00318.61
8.0.270.0050.00317.43
8.0.260.0070.00016.99
8.0.250.0050.00317.05
8.0.240.0040.00417.15
8.0.230.0030.00317.06
8.0.220.0000.00717.01
8.0.210.0040.00417.00
8.0.200.0000.00617.09
8.0.190.0000.00717.01
8.0.180.0070.00017.11
8.0.170.0040.00416.93
8.0.160.0070.00016.99
8.0.150.0040.00417.04
8.0.140.0070.00016.93
8.0.130.0030.00313.46
8.0.120.0040.00417.03
8.0.110.0000.00716.93
8.0.100.0020.00517.04
8.0.90.0040.00416.93
8.0.80.0100.01017.06
8.0.70.0040.00417.07
8.0.60.0050.00216.86
8.0.50.0040.00416.82
8.0.30.0120.00617.24
8.0.20.0130.00617.40
8.0.10.0050.00217.14
8.0.00.0090.00816.70
7.4.330.0030.00316.72
7.4.320.0060.00016.58
7.4.300.0000.00616.61
7.4.290.0040.00416.63
7.4.280.0030.00316.59
7.4.270.0040.00416.58
7.4.260.0030.00313.30
7.4.250.0030.00516.57
7.4.240.0050.00216.57
7.4.230.0000.00816.67
7.4.220.0130.01016.63
7.4.210.0070.01016.67
7.4.200.0040.00416.50
7.4.190.0040.00416.81
7.4.160.0090.00916.58
7.4.150.0070.01117.40
7.4.140.0080.01017.86
7.4.130.0130.00716.70
7.4.120.0090.00816.67
7.4.110.0110.00516.40
7.4.100.0170.00316.57
7.4.90.0090.00916.64
7.4.80.0120.00919.39
7.4.70.0070.01316.70
7.4.60.0040.01316.67
7.4.50.0040.00416.59
7.4.40.0100.00322.77
7.4.30.0000.01716.64
7.4.10.0090.00915.15
7.4.00.0050.01215.10
7.3.330.0030.00313.31
7.3.320.0030.00313.53
7.3.310.0030.00316.41
7.3.300.0070.00016.52
7.3.290.0160.00416.50
7.3.280.0100.00816.49
7.3.270.0060.01217.40
7.3.260.0120.01018.24
7.3.250.0080.01116.64
7.3.240.0080.00816.62
7.3.230.0170.00016.58
7.3.210.0130.00316.77
7.3.200.0090.01519.39
7.3.190.0030.02116.59
7.3.180.0110.00616.73
7.3.170.0070.01016.50
7.3.160.0140.00416.60
7.3.130.0140.00415.00
7.3.120.0050.01214.93
7.3.110.0130.00715.23
7.3.100.0070.01014.88
7.3.90.0120.00314.77
7.3.80.0110.00715.17
7.3.70.0070.01014.79
7.3.60.0090.00615.00
7.3.50.0030.01415.01
7.3.40.0000.01714.78
7.3.30.0040.01015.04
7.3.20.0070.00716.73
7.3.10.0080.00016.54
7.3.00.0060.00916.74
7.2.330.0110.00716.59
7.2.320.0060.01616.91
7.2.310.0150.00316.91
7.2.300.0180.00616.89
7.2.290.0130.01016.54
7.2.260.0090.00315.12
7.2.250.0030.01515.22
7.2.240.0030.01315.05
7.2.230.0090.00915.04
7.2.220.0090.00915.30
7.2.210.0060.00915.03
7.2.200.0140.00014.86
7.2.190.0130.00315.17
7.2.180.0040.01115.09
7.2.170.0030.00815.17
7.2.160.0030.01015.28
7.2.150.0110.00416.99
7.2.140.0130.00016.81
7.2.130.0070.00717.06
7.2.120.0000.01117.04
7.2.110.0140.00016.69
7.2.100.0110.00416.68
7.2.90.0090.00616.92
7.2.80.0090.00616.87
7.2.70.0150.00016.98
7.2.60.0060.00916.77
7.2.50.0060.00617.08
7.2.40.0060.01216.74
7.2.30.0100.00716.88
7.2.20.0030.00716.61
7.2.10.0030.01016.99
7.2.00.0070.00618.23
7.1.330.0040.01115.88
7.1.320.0100.00915.65
7.1.310.0070.00715.89
7.1.300.0060.00915.64
7.1.290.0040.00815.73
7.1.280.0070.00415.91
7.1.270.0130.00015.60
7.1.260.0000.01415.54
7.1.250.0000.00815.55
7.1.240.0040.01215.61
7.1.230.0040.00815.80
7.1.220.0070.00715.80
7.1.210.0070.00715.66
7.1.200.0040.00616.01
7.1.190.0100.00716.01
7.1.180.0040.01115.97
7.1.170.0060.00615.89
7.1.160.0090.00615.77
7.1.150.0100.00715.81
7.1.140.0060.00615.89
7.1.130.0000.00915.75
7.1.120.0070.00715.49
7.1.110.0040.00815.98
7.1.100.0030.00817.01
7.1.90.0060.00615.90
7.1.80.0060.00615.86
7.1.70.0020.01016.63
7.1.60.0060.01517.37
7.1.50.0100.01016.33
7.1.40.0030.00616.04
7.1.30.0100.00615.69
7.1.20.0000.01315.68
7.1.10.0060.00315.77
7.1.00.0030.02018.91
7.0.330.0040.00715.41
7.0.320.0070.00715.23
7.0.310.0000.01615.41
7.0.300.0090.00315.22
7.0.290.0030.01315.40
7.0.280.0070.00315.48
7.0.270.0030.01015.21
7.0.260.0060.00915.33
7.0.250.0070.01015.37
7.0.240.0030.01415.47
7.0.230.0090.00615.22
7.0.220.0120.00015.30
7.0.210.0120.00615.59
7.0.200.0070.00516.10
7.0.190.0090.00915.17
7.0.180.0060.00915.46
7.0.170.0040.01115.34
7.0.160.0040.00815.42
7.0.150.0030.01015.52
7.0.140.0030.04218.79
7.0.130.0060.00815.25
7.0.120.0040.00415.60
7.0.110.0080.00415.52
7.0.100.0030.01015.26
7.0.90.0070.00715.51
7.0.80.0060.00915.47
7.0.70.0100.02818.54
7.0.60.0020.04918.54
7.0.50.0040.02518.90
7.0.40.0070.02016.84
7.0.30.0070.04416.79
7.0.20.0070.04716.72
7.0.10.0050.03716.71
7.0.00.0080.04316.68
5.6.400.0030.00614.75
5.6.390.0080.00414.52
5.6.380.0000.01414.74
5.6.370.0100.01014.79
5.6.360.0030.00914.57
5.6.350.0100.00014.43
5.6.340.0040.01114.90
5.6.330.0040.00414.52
5.6.320.0040.01514.83
5.6.310.0030.00714.85
5.6.300.0060.00614.31
5.6.290.0060.00614.57
5.6.280.0040.04117.72
5.6.270.0000.00814.36
5.6.260.0030.00714.50
5.6.250.0000.01114.44
5.6.240.0070.00714.51
5.6.230.0040.00814.57
5.6.220.0050.04517.62
5.6.210.0030.04017.67
5.6.200.0050.03017.70
5.6.190.0050.03217.74
5.6.180.0050.04418.05
5.6.170.0070.04717.88
5.6.160.0050.04917.82
5.6.150.0090.04017.83
5.6.140.0040.04717.78
5.6.130.0050.04417.81
5.6.120.0060.04417.77
5.6.110.0020.04517.86
5.6.100.0070.04217.79
5.6.90.0030.05117.90
5.6.80.0100.03817.43
5.6.70.0080.04317.51
5.6.60.0050.04317.37
5.6.50.0050.03317.45
5.6.40.0070.04417.57
5.6.30.0040.04217.63
5.6.20.0080.03117.58
5.6.10.0060.03617.43
5.6.00.0060.03517.54
5.5.380.0100.00314.27
5.5.370.0030.01214.85
5.5.360.0000.04917.50
5.5.350.0050.03217.55
5.5.340.0030.03017.79
5.5.330.0020.03217.72
5.5.320.0060.04517.92
5.5.310.0090.04517.59
5.5.300.0090.04417.77
5.5.290.0050.04017.79
5.5.280.0060.04017.73
5.5.270.0070.02817.75
5.5.260.0120.03817.78
5.5.250.0000.04417.62
5.5.240.0050.04017.48
5.5.230.0030.05017.55
5.5.220.0060.04017.40
5.5.210.0100.04117.45
5.5.200.0080.03217.21
5.5.190.0050.04217.36
5.5.180.0080.03217.26
5.5.170.0110.00314.31
5.5.160.0030.03317.48
5.5.150.0110.04217.27
5.5.140.0060.04817.59
5.5.130.0070.04217.43
5.5.120.0090.04217.50
5.5.110.0050.04017.23
5.5.100.0040.04317.28
5.5.90.0070.02717.31
5.5.80.0050.04217.14
5.5.70.0030.03217.27
5.5.60.0050.03917.24
5.5.50.0020.04517.33
5.5.40.0070.03617.44
5.5.30.0060.03717.43
5.5.20.0020.03217.24
5.5.10.0110.02117.47
5.5.00.0040.02917.41
5.4.450.0000.04015.41
5.4.440.0060.04615.34
5.4.430.0030.04215.41
5.4.420.0060.03515.45
5.4.410.0100.03815.21
5.4.400.0050.04015.34
5.4.390.0040.04315.21
5.4.380.0040.02515.20
5.4.370.0070.04115.12
5.4.360.0040.02915.33
5.4.350.0030.04315.29
5.4.340.0050.03015.25
5.4.330.0000.01211.28
5.4.320.0030.04315.03
5.4.310.0080.03315.16
5.4.300.0030.04415.18
5.4.290.0040.04215.33
5.4.280.0020.04315.12
5.4.270.0000.03715.14
5.4.260.0080.04215.09
5.4.250.0020.03815.18
5.4.240.0070.03815.12
5.4.230.0020.04615.19
5.4.220.0020.04515.23
5.4.210.0030.03715.19
5.4.200.0020.04415.22
5.4.190.0020.03815.26
5.4.180.0050.04315.14
5.4.170.0020.02915.19
5.4.160.0050.04114.96
5.4.150.0030.04115.12
5.4.140.0000.03913.82
5.4.130.0030.04313.69
5.4.120.0030.04213.76
5.4.110.0020.04213.88
5.4.100.0010.04013.80
5.4.90.0040.03813.85
5.4.80.0040.04113.80
5.4.70.0040.03913.72
5.4.60.0040.04113.91
5.4.50.0060.03313.89
5.4.40.0020.04213.89
5.4.30.0040.03213.82
5.4.20.0030.03613.80
5.4.10.0070.04013.87
5.4.00.0060.03913.57
5.3.290.0050.04612.81
5.3.280.0060.03512.68
5.3.270.0050.02312.64
5.3.260.0020.03512.68
5.3.250.0020.04412.66
5.3.240.0020.03212.69
5.3.230.0020.03012.61
5.3.220.0060.03512.67
5.3.210.0080.04012.69
5.3.200.0020.04012.63
5.3.190.0030.04112.62
5.3.180.0030.02712.63
5.3.170.0060.04112.59
5.3.160.0030.04612.74
5.3.150.0030.03512.65
5.3.140.0030.03912.68
5.3.130.0020.04512.78
5.3.120.0070.03212.74
5.3.110.0040.04012.83
5.3.100.0030.03312.47
5.3.90.0040.03412.31
5.3.80.0030.04112.43
5.3.70.0030.02912.34
5.3.60.0040.03212.42
5.3.50.0050.04012.49
5.3.40.0050.04212.37
5.3.30.0040.02812.29
5.3.20.0060.03612.27
5.3.10.0050.03512.05
5.3.00.0010.03112.06
5.2.170.0000.06712.27
5.2.160.0030.06012.27
5.2.150.0030.06012.27
5.2.140.0030.05012.27
5.2.130.0030.04712.27
5.2.120.0000.05012.27
5.2.110.0200.04712.27
5.2.100.0030.05712.27
5.2.90.0000.06712.27
5.2.80.0100.05712.27
5.2.70.0000.06012.27
5.2.60.0030.04312.27
5.2.50.0000.06712.27
5.2.40.0000.06012.27
5.2.30.0000.06712.27
5.2.20.0030.05312.27
5.2.10.0030.06312.27
5.2.00.0030.06012.27
5.1.60.0000.05312.27
5.1.50.0030.04712.27
5.1.40.0070.04312.27
5.1.30.0030.05312.27
5.1.20.0030.05312.27
5.1.10.0000.04312.27
5.1.00.0030.05712.27
5.0.50.0030.03012.27
5.0.40.0030.04712.27
5.0.30.0000.05712.27
5.0.20.0000.04012.27
5.0.10.0000.04012.27
5.0.00.0000.04012.27
4.4.90.0000.04012.27
4.4.80.0030.03312.27
4.4.70.0000.04012.27
4.4.60.0030.03312.27
4.4.50.0030.03012.27
4.4.40.0000.04712.27
4.4.30.0000.04012.27
4.4.20.0000.02312.27
4.4.10.0030.02012.27
4.4.00.0000.05012.27
4.3.110.0030.03312.27
4.3.100.0000.03312.27
4.3.90.0000.03712.27
4.3.80.0000.05712.27
4.3.70.0000.03712.27
4.3.60.0070.03012.27
4.3.50.0030.03012.27
4.3.40.0030.03712.27
4.3.30.0000.02012.27
4.3.20.0000.01712.27
4.3.10.0000.03012.27
4.3.00.0030.02012.27

preferences:
54.67 ms | 400 KiB | 5 Q