3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_match('/(\w+) (\w+)/', 'rodrigo capile', $m); var_dump($m); echo preg_match('/(\w+) (\w+)/', 'rodrigo capile rodrigo capile rodrigo capile', $m); var_dump($m); echo preg_match_all('/(\w+) (\w+)/', 'rodrigo capile rodrigo capile rodrigo capile', $m); var_dump($m); echo preg_replace_callback('/(\w+) (\w+)/', function($matches) {return strtoupper(matches);},'rodrigo capile rodrigo capile rodrigo capile');

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)
8.3.60.0110.00718.45
8.3.50.0120.00621.99
8.3.40.0110.00718.86
8.3.30.0110.00319.04
8.3.20.0080.00020.35
8.3.10.0040.00421.91
8.3.00.0050.00319.22
8.2.180.0100.00716.63
8.2.170.0120.00322.96
8.2.160.0100.00322.39
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0000.00826.16
8.2.120.0040.00419.56
8.2.110.0100.00020.39
8.2.100.0090.00318.03
8.2.90.0080.00019.05
8.2.80.0040.00417.97
8.2.70.0060.00317.88
8.2.60.0040.00418.05
8.2.50.0000.00818.10
8.2.40.0040.00418.22
8.2.30.0040.00418.05
8.2.20.0070.00017.86
8.2.10.0050.00318.16
8.2.00.0000.00918.02
8.1.280.0190.00325.92
8.1.270.0030.00619.07
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00522.29
8.1.230.0080.00417.64
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0090.00017.60
8.1.190.0030.00617.23
8.1.180.0080.00018.10
8.1.170.0080.00318.95
8.1.160.0050.00222.02
8.1.150.0000.00718.87
8.1.140.0040.00417.52
8.1.130.0040.00417.85
8.1.120.0040.00417.50
8.1.110.0040.00417.47
8.1.100.0000.00717.54
8.1.90.0040.00417.57
8.1.80.0000.00817.48
8.1.70.0080.00317.59
8.1.60.0030.00617.62
8.1.50.0050.00317.69
8.1.40.0040.00417.59
8.1.30.0060.00317.70
8.1.20.0060.00317.66
8.1.10.0000.00817.66
8.1.00.0050.00517.51
8.0.300.0080.00018.77
8.0.290.0040.00716.88
8.0.280.0040.00418.50
8.0.270.0000.00717.15
8.0.260.0030.00317.30
8.0.250.0070.00017.13
8.0.240.0050.00217.05
8.0.230.0070.00017.05
8.0.220.0080.00017.18
8.0.210.0070.00017.04
8.0.200.0030.00317.25
8.0.190.0040.00417.15
8.0.180.0000.00817.22
8.0.170.0080.00017.03
8.0.160.0050.00217.15
8.0.150.0040.00417.08
8.0.140.0000.00716.95
8.0.130.0060.00013.43
8.0.120.0030.00617.08
8.0.110.0040.00417.12
8.0.100.0050.00217.05
8.0.90.0030.00517.02
8.0.80.0180.00417.09
8.0.70.0000.00717.07
8.0.60.0000.00717.18
8.0.50.0040.00416.94
8.0.30.0110.01317.26
8.0.20.0130.00717.46
8.0.10.0040.00417.22
8.0.00.0060.01216.90
7.4.330.0030.00315.16
7.4.320.0000.00616.77
7.4.300.0000.00616.66
7.4.290.0030.00316.80
7.4.280.0000.00816.71
7.4.270.0040.00216.65
7.4.260.0030.00716.64
7.4.250.0070.00016.71
7.4.240.0040.00416.68
7.4.230.0000.00716.87
7.4.220.0090.01216.71
7.4.210.0070.01016.64
7.4.200.0040.00416.66
7.4.160.0000.01716.85
7.4.150.0080.01217.40
7.4.140.0110.00817.86
7.4.130.0050.01216.62
7.4.120.0140.00616.67
7.4.110.0120.01216.80
7.4.100.0150.00916.68
7.4.90.0100.01016.81
7.4.80.0120.00619.39
7.4.70.0080.01316.54
7.4.60.0060.01016.61
7.4.50.0000.00816.38
7.4.40.0030.01216.64
7.4.30.0030.01516.94
7.4.00.0090.00714.87
7.3.330.0030.00313.32
7.3.320.0000.00513.33
7.3.310.0070.00016.54
7.3.300.0030.00316.38
7.3.290.0060.00816.47
7.3.280.0070.01416.46
7.3.270.0100.00717.40
7.3.260.0140.00416.50
7.3.250.0100.00916.62
7.3.240.0180.00416.47
7.3.230.0160.00416.45
7.3.210.0030.01616.76
7.3.200.0120.00619.39
7.3.190.0130.00616.48
7.3.180.0040.01416.54
7.3.170.0120.00916.72
7.3.160.0030.01416.50
7.3.120.0100.01015.18
7.3.110.0110.00614.91
7.3.100.0060.00614.91
7.3.90.0060.00915.04
7.3.80.0110.00314.90
7.3.70.0040.01115.13
7.3.60.0060.00915.02
7.3.50.0030.01015.01
7.3.40.0060.00614.93
7.3.30.0070.00714.94
7.3.20.0040.01416.98
7.3.10.0100.00616.85
7.3.00.0100.00316.98
7.2.330.0150.00316.76
7.2.320.0030.01416.85
7.2.310.0040.01316.91
7.2.300.0140.00316.67
7.2.290.0100.01016.85
7.2.250.0100.00815.29
7.2.240.0060.01215.11
7.2.230.0070.01015.22
7.2.220.0080.00815.18
7.2.210.0110.00315.05
7.2.200.0030.01314.98
7.2.190.0000.01615.18
7.2.180.0060.00614.98
7.2.170.0080.00815.31
7.2.60.0100.00316.89
7.2.00.0060.00619.76
7.1.330.0080.00415.94
7.1.320.0110.00315.93
7.1.310.0100.00315.89
7.1.300.0060.00616.07
7.1.290.0120.00415.85
7.1.280.0100.00615.96
7.1.270.0080.00315.78
7.1.260.0000.01515.82
7.1.200.0040.00816.03
7.1.100.0030.01318.23
7.1.70.0040.00717.15
7.1.60.0160.00419.46
7.1.50.0120.01216.96
7.1.00.0030.07022.29
7.0.200.0000.00916.88
7.0.140.0030.05321.95
7.0.60.0070.07319.75
7.0.50.0100.08017.87
7.0.40.0070.07020.43
7.0.30.0300.04020.11
7.0.20.0200.06020.25
7.0.10.0030.09020.10
7.0.00.0070.07720.13
5.6.280.0000.07721.03
5.6.210.0100.08020.73
5.6.200.0100.08318.14
5.6.190.0100.05320.64
5.6.180.0470.07020.52
5.6.170.0370.06320.53
5.6.160.0070.08720.55
5.6.150.0100.07318.16
5.6.140.0070.08718.21
5.6.130.0100.07018.27
5.6.120.0100.08321.00
5.6.110.0130.06321.13
5.6.100.0130.07721.00
5.6.90.0130.07320.98
5.6.80.0100.08020.39
5.5.350.0470.07720.40
5.5.340.0070.08317.96
5.5.330.0100.03720.27
5.5.320.0030.08320.31
5.5.310.0330.05720.24
5.5.300.0200.06317.97
5.5.290.0030.08317.99
5.5.280.0070.06320.78
5.5.270.0070.04720.73
5.5.260.0130.03720.68
5.5.250.0030.04320.58
5.5.240.0070.07720.07
5.4.450.0370.05319.70
5.4.440.0230.05719.63
5.4.430.0070.05719.63
5.4.420.0170.05019.31
5.4.410.0100.07319.44
5.4.400.0100.05319.14
5.4.390.0230.05018.80
5.4.380.0170.05718.74
5.4.370.0130.06018.61
5.4.360.0170.05318.56
5.4.350.0200.05018.75
5.4.340.0200.04718.72
5.4.320.0370.06318.49
5.4.310.0130.05718.78
5.4.300.0100.06018.81
5.4.290.0230.05318.79
5.4.280.0270.04718.68
5.4.270.0330.04718.79
5.4.260.0170.05318.79
5.4.250.0130.05718.46
5.4.240.0170.05318.62
5.4.230.0100.05718.56
5.4.220.0200.05018.82
5.4.210.0100.06018.77
5.4.200.0170.05016.62
5.4.190.0230.04718.76
5.4.180.0130.05718.48
5.4.170.0100.06318.70
5.4.160.0170.07018.43
5.4.150.0100.06018.75
5.4.140.0200.04716.45
5.4.130.0170.05016.23
5.4.120.0200.04716.33
5.4.110.0200.04716.19
5.4.100.0030.07016.22
5.4.90.0330.04316.44
5.4.80.0130.06316.42
5.4.70.0200.04716.24
5.4.60.0170.05316.20
5.4.50.0330.04016.29
5.4.40.0200.06016.16
5.4.30.0100.05716.15
5.4.20.0200.04716.28
5.4.10.0170.05016.41
5.4.00.0170.05015.74
5.3.290.0130.05714.71
5.3.280.0130.05714.69
5.3.270.0170.06014.70
5.3.260.0200.05314.80
5.3.250.0170.05314.65
5.3.240.0200.06014.88
5.3.230.0300.04314.79
5.3.220.0130.06314.69
5.3.210.0230.05014.61
5.3.200.0130.05714.55
5.3.190.0330.04314.60
5.3.180.0230.04714.66
5.3.170.0200.05014.66
5.3.160.0230.04714.77
5.3.150.0270.04314.62
5.3.140.0130.05714.83
5.3.130.0270.04714.54
5.3.120.0270.04714.52
5.3.110.0170.07014.54
5.3.100.0270.04714.31
5.3.90.0170.05714.07
5.3.80.0270.04314.22
5.3.70.0230.04314.04
5.3.60.0230.05014.10
5.3.50.0070.06014.05
5.3.40.0170.05714.05
5.3.30.0170.04713.93
5.3.20.0170.04713.72
5.3.10.0370.03313.86
5.3.00.0230.04713.66
5.2.170.0100.04711.14
5.2.160.0170.04311.12
5.2.150.0200.04011.15
5.2.140.0170.04011.18
5.2.130.0130.04011.05
5.2.120.0130.04011.01
5.2.110.0170.03711.25
5.2.100.0170.03711.06
5.2.90.0100.04311.16
5.2.80.0170.03711.04
5.2.70.0070.04711.05
5.2.60.0070.04711.03
5.2.50.0100.04311.05
5.2.40.0270.02311.03
5.2.30.0030.04711.01
5.2.20.0170.03310.89
5.2.10.0100.04010.91
5.2.00.0230.03010.80
5.1.60.0170.0339.96
5.1.50.0100.0339.99
5.1.40.0030.0409.93
5.1.30.0070.04010.37
5.1.20.0030.04310.38
5.1.10.0200.03010.06
5.1.00.0100.03710.06
5.0.50.0100.0278.67
5.0.40.0030.0308.44
5.0.30.0100.0438.23
5.0.20.0030.0308.27
5.0.10.0100.0338.20
5.0.00.0130.0438.27
4.4.90.0070.0205.91
4.4.80.0000.0275.92
4.4.70.0030.0235.85
4.4.60.0030.0235.88
4.4.50.0100.0205.82
4.4.40.0030.0375.88
4.4.30.0030.0235.82
4.4.20.0030.0275.91
4.4.10.0100.0175.96
4.4.00.0070.0335.90
4.3.110.0130.0205.82
4.3.100.0070.0205.82
4.3.90.0100.0175.79
4.3.80.0030.0375.78
4.3.70.0130.0135.86
4.3.60.0070.0205.79
4.3.50.0070.0205.86
4.3.40.0030.0375.74
4.3.30.0000.0274.61
4.3.20.0030.0234.61
4.3.10.0030.0234.54
4.3.00.0070.0306.94

preferences:
43.68 ms | 401 KiB | 5 Q