3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'a' . chr(0) . 'bc'; $string = str_replace(chr(0), '\\'.'0', $string); preg_match('/^' . $string . '$/', ($string = str_replace('\\'.'0', chr(0), $string)), $v); $v = rarray($v); $d = array(); var_dump(human_redable($v), human_redable($string), preg_last_error()); function rarray(&$a) { $b = is_array($a); if($b === true) { $b = null; unset($b); return $a; } $c = array(); $a = $b = null; unset($a, $b); return $c; } //numeric array function human_redable(&$a) { $b = is_scalar($a); if($b === true) { $a = urlencode($a); $b = null; unset($b); return $a; } elseif(($b = is_array($a)) === true) { $d = array(); foreach($a as $k => &$v) { $d[$k] = urlencode($v); } $a = $b = $k = $v = null; unset($a, $b, $k, $v); return $d; } return false; } ?>

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)
8.3.60.0130.00317.00
8.3.50.0140.00716.64
8.3.40.0110.00318.96
8.3.30.0110.00418.96
8.3.20.0000.00724.18
8.3.10.0040.00424.66
8.3.00.0080.00026.16
8.2.180.0090.00625.92
8.2.170.0090.00619.20
8.2.160.0070.00722.96
8.2.150.0080.00025.66
8.2.140.0000.00824.66
8.2.130.0030.00626.16
8.2.120.0040.00426.35
8.2.110.0060.00320.15
8.2.100.0090.00318.16
8.2.90.0040.00418.00
8.2.80.0000.00918.86
8.2.70.0060.00317.88
8.2.60.0040.00418.04
8.2.50.0050.00318.05
8.2.40.0030.00518.22
8.2.30.0030.00618.06
8.2.20.0050.00218.15
8.2.10.0030.00519.55
8.2.00.0040.00419.52
8.1.280.0120.00325.92
8.1.270.0000.00823.99
8.1.260.0030.00628.09
8.1.250.0050.00328.09
8.1.240.0060.00322.25
8.1.230.0080.00421.05
8.1.220.0000.00818.70
8.1.210.0050.00318.77
8.1.200.0030.00617.61
8.1.190.0080.00017.60
8.1.180.0080.00022.62
8.1.170.0000.00818.91
8.1.160.0050.00318.88
8.1.150.0070.00019.02
8.1.140.0000.00818.86
8.1.130.0030.00320.08
8.1.120.0000.00917.54
8.1.110.0000.00817.63
8.1.100.0040.00417.65
8.1.90.0040.00417.61
8.1.80.0000.00717.57
8.1.70.0050.00417.62
8.1.60.0030.00517.68
8.1.50.0060.00317.59
8.1.40.0040.00717.66
8.1.30.0060.00317.88
8.1.20.0020.00517.93
8.1.10.0080.00017.67
8.1.00.0000.00717.74
8.0.300.0000.00718.77
8.0.290.0040.00417.00
8.0.280.0000.00820.25
8.0.270.0000.00718.27
8.0.260.0000.00618.44
8.0.250.0030.00617.18
8.0.240.0060.00017.13
8.0.230.0070.00017.12
8.0.220.0060.00017.04
8.0.210.0030.00316.98
8.0.200.0040.00417.16
8.0.190.0040.00417.18
8.0.180.0000.00817.14
8.0.170.0090.00016.98
8.0.160.0000.00717.20
8.0.150.0000.01117.02
8.0.140.0020.00517.09
8.0.130.0030.00313.49
8.0.120.0050.00317.05
8.0.110.0060.00316.93
8.0.100.0040.00417.03
8.0.90.0000.00717.08
8.0.80.0090.00917.08
8.0.70.0000.00816.96
8.0.60.0000.00817.12
8.0.50.0000.00716.86
8.0.30.0110.00616.94
8.0.20.0140.00817.32
8.0.10.0140.01317.50
8.0.00.0110.01317.27
7.4.330.0000.00516.90
7.4.320.0060.00016.77
7.4.300.0040.00416.79
7.4.290.0040.00416.78
7.4.280.0030.00716.80
7.4.270.0020.00516.69
7.4.260.0030.00313.40
7.4.250.0080.00016.71
7.4.240.0000.00716.87
7.4.230.0000.00716.75
7.4.220.0020.00516.78
7.4.210.0030.01216.89
7.4.200.0070.00016.83
7.4.150.0070.01416.55
7.4.140.0150.00716.70
7.4.130.0100.01216.58
7.4.120.0110.00916.58
7.4.110.0190.00716.87
7.4.100.0140.01716.76
7.4.90.0130.00916.85
7.4.80.0170.00616.67
7.4.70.0130.01016.72
7.4.60.0080.01216.58
7.4.50.0160.00716.67
7.4.40.0130.00816.70
7.4.30.0120.00916.74
7.4.20.0100.01216.56
7.4.10.0110.01216.54
7.4.00.0100.01416.75
7.3.330.0040.00416.51
7.3.320.0030.00313.55
7.3.310.0030.00316.57
7.3.300.0000.00716.55
7.3.290.0080.00616.53
7.3.270.0150.00816.49
7.3.260.0100.01116.64
7.3.250.0140.00716.51
7.3.240.0150.00716.68
7.3.230.0120.01216.72
7.3.220.0150.00816.64
7.3.210.0130.01016.61
7.3.200.0170.00616.62
7.3.190.0090.01316.51
7.3.180.0170.00516.55
7.3.170.0190.00516.73
7.3.160.0110.01216.72
7.3.150.0090.01216.56
7.3.140.0100.01216.74
7.3.130.0120.00816.63
7.3.120.0130.01016.57
7.3.110.0140.00816.63
7.3.100.0120.01116.65
7.3.90.0080.01316.52
7.3.80.0100.01216.47
7.3.70.0130.00716.57
7.3.60.0160.00616.58
7.3.50.0100.01216.58
7.3.40.0100.01116.46
7.3.30.0130.00816.53
7.3.20.0410.01016.55
7.3.10.0200.00516.51
7.3.00.0170.00716.71
7.2.340.0290.00816.87
7.2.330.0250.01016.83
7.2.320.0290.00916.87
7.2.310.0250.01416.98
7.2.300.0250.01016.88
7.2.290.0190.01616.85
7.2.280.0250.01216.94
7.2.270.0270.00716.82
7.2.260.0220.01216.83
7.2.250.0240.00916.90
7.2.240.0200.01116.72
7.2.230.0240.01016.74
7.2.220.0310.00716.83
7.2.210.0220.01216.80
7.2.200.0190.01616.78
7.2.190.0310.00616.70
7.2.180.0220.01316.74
7.2.170.0260.01116.79
7.2.160.0270.00616.75
7.2.150.0230.01316.85
7.2.140.0310.01116.76
7.2.130.0210.01616.82
7.2.120.0340.00916.82
7.2.110.0300.00516.87
7.2.100.0340.00416.89
7.2.90.0270.01216.85
7.2.80.0250.00916.87
7.2.70.0320.00516.72
7.2.60.0290.01116.78
7.2.50.0320.00816.83
7.2.40.0280.01016.91
7.2.30.0240.01216.86
7.2.20.0260.00916.80
7.2.10.0240.01116.76
7.2.00.0250.00816.86
7.1.330.0190.01015.95
7.1.320.0410.00415.78
7.1.310.0200.00615.78
7.1.300.0210.01015.81
7.1.290.0240.00515.66
7.1.280.0150.01215.78
7.1.270.0220.00615.84
7.1.260.0310.00615.83
7.1.250.0240.00915.83
7.1.240.0220.01015.75
7.1.230.0230.00615.68
7.1.220.0210.01215.86
7.1.210.0260.00515.71
7.1.200.0210.01115.76
7.1.190.0310.00715.73
7.1.180.0220.01015.79
7.1.170.0230.00915.81
7.1.160.0230.00815.78
7.1.150.0240.00615.79
7.1.140.0270.00915.82
7.1.130.0270.00615.76
7.1.120.0230.01215.82
7.1.110.0260.00415.86
7.1.100.0280.00915.77
7.1.90.0300.00715.83
7.1.80.0220.01315.85
7.1.70.0240.01215.78
7.1.60.0220.01215.80
7.1.50.0310.01615.76
7.1.40.0260.01315.88
7.1.30.0310.01215.92
7.1.20.0210.01515.83
7.1.10.0350.01115.80
7.1.00.0490.00615.70
7.0.330.0220.00715.55
7.0.320.0140.01415.40
7.0.310.0200.00815.35
7.0.300.0190.01215.40
7.0.290.0280.00615.49
7.0.280.0320.00915.59
7.0.270.0190.01015.36
7.0.260.0200.00815.41
7.0.250.0230.00915.46
7.0.240.0230.01115.60
7.0.230.0210.01315.68
7.0.220.0260.01015.40
7.0.210.0290.00915.58
7.0.200.0300.00615.52
7.0.190.0260.00915.53
7.0.180.0240.01015.32
7.0.170.0240.01215.51
7.0.160.0250.00915.52
7.0.150.0280.00415.49
7.0.140.0210.01415.58
7.0.130.0210.01215.53
7.0.120.0170.01715.61
7.0.110.0270.00515.57
7.0.100.0190.01615.54
7.0.90.0200.00815.53
7.0.80.0230.00815.54
7.0.70.0230.01115.41
7.0.60.0210.00815.48
7.0.50.0280.00815.41
7.0.40.0250.00815.58
7.0.30.0650.00715.31
7.0.20.0230.00815.43
7.0.10.0210.00715.40
7.0.00.0200.00915.45
5.6.400.0220.00616.08
5.6.390.0190.01016.04
5.6.380.0150.01316.18
5.6.370.0170.01416.22
5.6.360.0250.00815.87
5.6.350.0190.01116.31
5.6.340.0210.01516.28
5.6.330.0160.01416.20
5.6.320.0220.01016.05
5.6.310.0240.01216.40
5.6.300.0220.01416.21
5.6.290.0230.01115.87
5.6.280.0180.01516.10
5.6.270.0280.01016.21
5.6.260.0200.01416.13
5.6.250.0220.01216.11
5.6.240.0190.01516.17
5.6.230.0240.01116.02
5.6.220.0280.00915.97
5.6.210.0250.01016.12
5.6.200.0300.01116.07
5.6.190.0230.01416.04
5.6.180.0200.01416.00
5.6.170.0200.01515.89
5.6.160.0210.00916.05
5.6.150.0210.01116.14
5.6.140.0220.01215.99
5.6.130.0210.01316.24
5.6.120.0170.01916.29
5.6.110.0210.01016.18
5.6.100.0280.00716.13
5.6.90.0250.01016.21
5.6.80.0250.01216.04
5.6.70.0260.00916.10
5.6.60.0210.01515.90
5.6.50.0170.01215.94
5.6.40.0260.01116.04
5.6.30.0230.00915.98
5.6.20.0170.01515.95
5.6.10.0230.01016.09
5.6.00.0200.01115.98
5.5.380.0230.01316.27
5.5.370.0240.01116.08
5.5.360.0150.01615.99
5.5.350.0150.02116.08
5.5.340.0300.00516.22
5.5.330.0260.00916.10
5.5.320.0260.00916.10
5.5.310.0250.01016.15
5.5.300.0250.01216.31
5.5.290.0220.01016.13
5.5.280.0170.01216.06
5.5.270.0120.01416.07
5.5.260.0200.01416.30
5.5.250.0140.01315.96
5.5.240.0230.01116.11
5.5.230.0210.00615.92
5.5.220.0180.01515.92
5.5.210.0200.01015.99
5.5.200.0180.01416.03
5.5.190.0150.01716.04
5.5.180.0190.01216.10
5.5.170.0220.00916.02
5.5.160.0160.01216.04
5.5.150.0190.01316.06
5.5.140.0150.01815.90
5.5.130.0270.00816.09
5.5.120.0200.01316.05
5.5.110.0230.01315.90
5.5.100.0230.01015.79
5.5.90.0190.01315.99
5.5.80.0280.01116.02
5.5.70.0210.01315.84
5.5.60.0190.01316.01
5.5.50.0200.01116.04
5.5.40.0170.01416.00
5.5.30.0230.00815.96
5.5.20.0200.01116.04
5.5.10.0230.01115.97
5.5.00.0270.00616.06
5.4.450.0170.01012.98
5.4.440.0140.00712.94
5.4.430.0110.01012.82
5.4.420.0080.01512.90
5.4.410.0170.00713.12
5.4.400.0130.01113.08
5.4.390.0120.00912.83
5.4.380.0150.01112.98
5.4.370.0150.00613.00
5.4.360.0150.01012.81
5.4.350.0240.00312.60
5.4.340.0140.00712.87
5.4.330.0170.00512.85
5.4.320.0140.01112.83
5.4.310.0150.00812.83
5.4.300.0180.00812.80
5.4.290.0150.00912.92
5.4.280.0140.01212.92
5.4.270.0210.00612.80
5.4.260.0160.00913.02
5.4.250.0190.00613.03
5.4.240.0150.01012.89
5.4.230.0200.00612.97
5.4.220.0230.00512.94
5.4.210.0190.00712.86
5.4.200.0220.00412.95
5.4.190.0180.00512.91
5.4.180.0210.00512.86
5.4.170.0160.01212.76
5.4.160.0170.01212.63
5.4.150.0170.01012.81
5.4.140.0230.00712.85
5.4.130.0130.00812.84
5.4.120.0120.01312.90
5.4.110.0160.00812.82
5.4.100.0180.00612.95
5.4.90.0190.00612.88
5.4.80.0150.01012.87
5.4.70.0160.00812.83
5.4.60.0180.00712.92
5.4.50.0180.00712.88
5.4.40.0230.00312.92
5.4.30.0200.00412.82
5.4.20.0140.00912.95
5.4.10.0200.00512.89
5.4.00.0150.01012.83
5.3.290.0190.00613.29
5.3.280.0170.00913.10
5.3.270.0220.00613.22
5.3.260.0230.00913.16
5.3.250.0160.01313.24
5.3.240.0190.00713.20
5.3.230.0170.00913.12
5.3.220.0180.00713.07
5.3.210.0170.01013.23
5.3.200.0190.00513.11
5.3.190.0190.00813.19
5.3.180.0200.00913.22
5.3.170.0130.01413.19
5.3.160.0190.00613.26
5.3.150.0210.00513.24
5.3.140.0150.01413.25
5.3.130.0200.00613.35
5.3.120.0150.00913.37
5.3.110.0110.01313.26
5.3.100.0160.00813.25
5.3.90.0210.00213.24
5.3.80.0120.01013.04
5.3.70.0150.00813.18
5.3.60.0160.00813.21
5.3.50.0170.01113.10
5.3.40.0180.00913.12
5.3.30.0080.01513.23
5.3.20.0180.00713.15
5.3.10.0170.00713.01
5.3.00.0150.00713.01
5.2.170.0150.00412.11
5.2.160.0150.00612.22
5.2.150.0110.01112.13
5.2.140.0130.00612.08
5.2.130.0080.01211.96
5.2.120.0090.01011.97
5.2.110.0160.00711.99
5.2.100.0130.00612.09
5.2.90.0150.00512.11
5.2.80.0150.00511.91
5.2.70.0160.00711.90
5.2.60.0120.00611.93
5.2.50.0110.00911.94
5.2.40.0130.00711.92
5.2.30.0160.00411.85
5.2.20.0130.00711.92
5.2.10.0160.00311.70
5.2.00.0070.01111.68
5.1.60.0120.00511.02
5.1.50.0110.00610.99
5.1.40.0140.00411.06
5.1.30.0150.00311.24
5.1.20.0070.01111.24
5.1.10.0100.00811.09
5.1.00.0120.00510.91
5.0.50.0140.00010.70
5.0.40.0150.00210.70
5.0.30.0070.00810.70
5.0.20.0080.00710.70
5.0.10.0120.00410.70
5.0.00.0120.00210.70
4.4.90.0090.00210.70
4.4.80.0090.00010.70
4.4.70.0060.00310.70
4.4.60.0040.00510.70
4.4.50.0040.00510.70
4.4.40.0070.00310.70
4.4.30.0070.00210.70
4.4.20.0050.00510.70
4.4.10.0060.00210.70
4.4.00.0060.00410.70
4.3.110.0020.00810.70
4.3.100.0070.00210.70
4.3.90.0090.00210.70
4.3.80.0070.00410.70
4.3.70.0090.00210.70
4.3.60.0070.00310.70
4.3.50.0070.00310.70
4.3.40.0030.00610.70
4.3.30.0070.00210.70
4.3.20.0030.00510.70
4.3.10.0080.00010.70
4.3.00.0060.00410.70

preferences:
34.18 ms | 400 KiB | 5 Q