3v4l.org

run code in 300+ PHP versions simultaneously
<?php $matches = []; $str = 'fooxbarx'; preg_match('/(^|\s)x/mu', $str, $matches, PREG_OFFSET_CAPTURE, 0); var_dump($str); var_dump($matches);

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)
8.3.60.0100.01416.75
8.3.50.0070.00718.14
8.3.40.0120.00318.84
8.3.30.0140.00018.68
8.3.20.0040.00419.01
8.3.10.0040.00418.90
8.3.00.0080.00023.68
8.2.180.0090.00618.66
8.2.170.0100.00722.96
8.2.160.0140.00021.07
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0080.00021.13
8.2.120.0030.00526.35
8.2.110.0040.00722.10
8.2.100.0030.00917.97
8.2.90.0000.00819.05
8.2.80.0030.00517.97
8.2.70.0050.00317.68
8.2.60.0040.00418.04
8.2.50.0080.00018.10
8.2.40.0000.00719.30
8.2.30.0080.00019.28
8.2.20.0050.00318.14
8.2.10.0000.00818.10
8.2.00.0040.00419.45
8.1.280.0070.01125.92
8.1.270.0080.00023.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00620.75
8.1.230.0090.00320.87
8.1.220.0060.00317.77
8.1.210.0030.00518.77
8.1.200.0030.00617.47
8.1.190.0000.00817.36
8.1.180.0000.00818.10
8.1.170.0040.00418.63
8.1.160.0040.00418.92
8.1.150.0070.00018.91
8.1.140.0060.00317.73
8.1.130.0080.00019.10
8.1.120.0070.00017.56
8.1.110.0040.00417.45
8.1.100.0070.00017.43
8.1.90.0080.00017.44
8.1.80.0000.00717.56
8.1.70.0030.00317.40
8.1.60.0000.00817.68
8.1.50.0060.00317.56
8.1.40.0030.00517.49
8.1.30.0000.01017.70
8.1.20.0000.00717.68
8.1.10.0000.00917.63
8.1.00.0000.00917.48
8.0.300.0070.00018.77
8.0.290.0040.00716.75
8.0.280.0030.00318.39
8.0.270.0030.00317.27
8.0.260.0030.00617.13
8.0.250.0110.00017.11
8.0.240.0030.00317.11
8.0.230.0050.00417.12
8.0.220.0030.00317.00
8.0.210.0070.00017.00
8.0.200.0000.00617.09
8.0.190.0060.00316.99
8.0.180.0040.00417.01
8.0.170.0050.00516.98
8.0.160.0040.00416.88
8.0.150.0000.00716.89
8.0.140.0040.00417.03
8.0.130.0000.00513.50
8.0.120.0020.00517.02
8.0.110.0070.00017.12
8.0.100.0030.00516.96
8.0.90.0000.00817.13
8.0.80.0090.01117.08
8.0.70.0060.00317.12
8.0.60.0000.00716.97
8.0.50.0040.00417.16
8.0.30.0090.00817.19
8.0.20.0090.01117.40
8.0.10.0000.00817.11
8.0.00.0090.01016.93
7.4.330.0050.00015.55
7.4.320.0000.00616.77
7.4.300.0000.00616.72
7.4.290.0040.00416.81
7.4.280.0050.00316.61
7.4.270.0030.00316.83
7.4.260.0000.00716.79
7.4.250.0040.00416.78
7.4.240.0040.00416.87
7.4.230.0030.00316.72
7.4.220.0030.00616.84
7.4.210.0070.00716.80
7.4.200.0030.00316.63
7.4.160.0080.01016.79
7.4.140.0060.01417.86
7.4.130.0140.00416.41
7.4.120.0070.01216.63
7.4.110.0100.00716.62
7.4.100.0030.01316.52
7.4.90.0060.01516.61
7.4.80.0130.01319.39
7.4.70.0100.00616.66
7.4.60.0080.00716.52
7.4.50.0120.00316.38
7.4.40.0150.00616.59
7.4.10.0100.01016.52
7.4.00.0070.00915.90
7.3.330.0000.00713.09
7.3.320.0000.00713.33
7.3.310.0070.00016.38
7.3.300.0030.00316.27
7.3.290.0030.00316.34
7.3.280.0080.01216.33
7.3.260.0140.00816.46
7.3.240.0070.01016.44
7.3.230.0150.00316.34
7.3.210.0140.00316.41
7.3.200.0140.00616.35
7.3.190.0130.00316.24
7.3.180.0130.00316.25
7.3.170.0070.00916.45
7.3.160.0060.01516.39
7.3.130.0070.00716.41
7.3.120.0110.00716.27
7.3.110.0040.01116.41
7.3.100.0120.00616.16
7.3.90.0070.00716.58
7.3.80.0070.00716.69
7.3.70.0060.00916.39
7.3.60.0130.00316.38
7.3.50.0040.01116.44
7.3.40.0090.00616.29
7.3.30.0030.01016.40
7.3.20.0150.00018.05
7.3.10.0030.01017.38
7.3.00.0090.00717.44
7.2.330.0070.01016.73
7.2.320.0130.01316.56
7.2.310.0070.01116.68
7.2.300.0030.01416.63
7.2.290.0040.01416.63
7.2.260.0130.00616.73
7.2.250.0070.01416.53
7.2.240.0110.00616.66
7.2.230.0030.01616.46
7.2.220.0060.00616.64
7.2.210.0070.00316.44
7.2.200.0030.01516.31
7.2.190.0060.01016.68
7.2.180.0090.00316.57
7.2.170.0040.00816.34
7.2.160.0040.01516.56
7.2.150.0120.00318.33
7.2.140.0100.00618.48
7.2.130.0130.00717.38
7.2.120.0090.00617.39
7.2.110.0110.00617.65
7.2.100.0080.00417.48
7.2.90.0020.01117.58
7.2.80.0070.00717.55
7.2.70.0180.01116.67
7.2.60.0230.00616.81
7.2.50.0210.00616.70
7.2.40.0170.00916.78
7.2.30.0170.01216.57
7.2.20.0220.00416.55
7.2.10.0210.00716.72
7.2.00.0190.00716.78
7.1.330.0060.01017.41
7.1.320.0110.00417.56
7.1.310.0060.00817.40
7.1.300.0040.01117.38
7.1.290.0090.00317.53
7.1.280.0070.00717.34
7.1.270.0090.00917.32
7.1.260.0040.01217.36
7.1.250.0070.00816.68
7.1.240.0120.00317.37
7.1.230.0100.00617.28
7.1.220.0070.01017.36
7.1.210.0090.00617.41
7.1.200.0110.00216.50
7.1.190.0000.01617.43
7.1.180.0050.01017.54
7.1.170.0320.00315.66
7.1.160.0230.00615.44
7.1.150.0170.01115.51
7.1.140.0180.00715.60
7.1.130.0190.00715.62
7.1.120.0180.00715.72
7.1.110.0260.00515.79
7.1.100.0290.00815.70
7.1.90.0260.00915.76
7.1.80.0260.00715.52
7.1.70.0260.00515.62
7.1.60.0330.01024.75
7.1.50.0350.01024.78
7.1.40.0340.01524.62
7.1.30.0460.00824.66
7.1.20.0710.01224.73
7.1.10.0210.01115.55
7.1.00.0220.00815.66
7.0.330.0060.00617.21
7.0.320.0060.01217.17
7.0.310.0030.00917.04
7.0.300.0000.01517.09
7.0.290.0080.01217.00
7.0.280.0050.01517.13
7.0.270.0100.01016.88
7.0.260.0170.00717.13
7.0.250.0110.01117.09
7.0.240.0170.00617.00
7.0.230.0060.01517.18
7.0.220.0180.00317.09
7.0.210.0100.00617.14
7.0.200.0030.01217.32
7.0.190.0080.01217.07
7.0.180.0060.01217.02
7.0.170.0030.00917.09
7.0.160.0110.00717.02
7.0.150.0080.00817.01
7.0.140.0000.01417.11
7.0.130.0110.00417.15
7.0.120.0110.00717.01
7.0.110.0070.00317.05
7.0.100.0080.00817.20
7.0.90.0070.01017.13
7.0.80.0070.01017.21
7.0.70.0030.01217.13
7.0.60.0060.01217.18
7.0.50.0130.00317.02
7.0.40.0100.00714.89
7.0.30.0060.00915.11
7.0.20.0070.00714.91
7.0.10.0070.00715.21
7.0.00.0040.00714.98
5.6.400.0070.01015.48
5.6.390.0050.00816.12
5.6.380.0060.01216.01
5.6.370.0080.00615.58
5.6.360.0070.00715.50
5.6.350.0120.00915.88
5.6.340.0100.01315.50
5.6.330.0110.01515.76
5.6.320.0100.01615.65
5.6.310.0000.01715.77
5.6.300.0070.00715.92
5.6.290.0060.00915.50
5.6.280.0000.01415.91
5.6.270.0060.00915.83
5.6.260.0090.00915.95
5.6.250.0070.00715.85
5.6.240.0000.01415.77
5.6.230.0040.01515.91
5.6.220.0030.00815.90
5.6.210.0030.01415.73
5.6.200.0080.01215.82
5.6.190.0040.01115.88
5.6.180.0130.00315.75
5.6.170.0060.00415.74
5.6.160.0120.00915.82
5.6.150.0100.00715.75
5.6.140.0070.01115.99
5.6.130.0120.00615.74
5.6.120.0120.00315.77
5.6.110.0050.00915.77
5.6.100.0070.01015.96
5.6.90.0110.00715.50
5.6.80.0040.01115.89
5.6.70.0040.00815.56
5.6.60.0040.01115.62
5.6.50.0060.00915.69
5.6.40.0090.01315.50
5.6.30.0080.01515.57
5.6.20.0000.01015.68
5.6.10.0070.00715.81
5.6.00.0030.00815.73

preferences:
63.02 ms | 400 KiB | 5 Q