3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/^\s{0}.{1,80}\s{0}$/u', ' keyword'));

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)
8.3.60.0060.00916.75
8.3.50.0090.00622.02
8.3.40.0070.01018.77
8.3.30.0070.00718.96
8.3.20.0040.00420.33
8.3.10.0040.00421.77
8.3.00.0040.00420.77
8.2.180.0130.00316.35
8.2.170.0140.00322.96
8.2.160.0140.00622.11
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00019.64
8.2.110.0060.00320.38
8.2.100.0060.00618.09
8.2.90.0000.00719.01
8.2.80.0030.00617.97
8.2.70.0040.00417.75
8.2.60.0000.00817.66
8.2.50.0030.00518.07
8.2.40.0000.00819.88
8.2.30.0040.00418.01
8.2.20.0000.00817.87
8.2.10.0040.00417.83
8.2.00.0040.00417.69
8.1.280.0070.01525.92
8.1.270.0040.00420.48
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00623.78
8.1.230.0040.00819.09
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0000.00817.13
8.1.180.0000.00818.10
8.1.170.0070.00018.71
8.1.160.0040.00421.97
8.1.150.0060.00318.66
8.1.140.0040.00417.50
8.1.130.0070.00017.69
8.1.120.0000.00717.39
8.1.110.0000.00817.40
8.1.100.0070.00017.52
8.1.90.0040.00417.48
8.1.80.0000.00817.50
8.1.70.0000.00717.36
8.1.60.0000.00917.59
8.1.50.0030.01017.47
8.1.40.0080.00017.56
8.1.30.0040.00417.63
8.1.20.0040.00417.70
8.1.10.0040.00417.39
8.1.00.0060.00317.46
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0070.00018.45
8.0.270.0030.00317.15
8.0.260.0040.00417.10
8.0.250.0000.00716.99
8.0.240.0000.00716.97
8.0.230.0040.00416.91
8.0.220.0040.00416.87
8.0.210.0000.00717.05
8.0.200.0000.00617.01
8.0.190.0040.00316.96
8.0.180.0030.00416.88
8.0.170.0030.00516.89
8.0.160.0040.00417.02
8.0.150.0040.00316.95
8.0.140.0000.00716.89
8.0.130.0060.00013.33
8.0.120.0080.00016.85
8.0.110.0000.00816.89
8.0.100.0040.00416.81
8.0.90.0040.00416.80
8.0.80.0160.00316.95
8.0.70.0000.00717.02
8.0.60.0000.00716.84
8.0.50.0000.00716.96
8.0.30.0130.01017.25
8.0.20.0130.01017.40
8.0.10.0040.00417.09
8.0.00.0080.01016.81
7.4.330.0070.00015.03
7.4.320.0000.00616.63
7.4.300.0000.00616.59
7.4.290.0000.00716.60
7.4.280.0040.00416.55
7.4.270.0000.00716.71
7.4.260.0030.00316.61
7.4.250.0080.00016.56
7.4.240.0020.00516.68
7.4.230.0030.00316.71
7.4.220.0110.00716.64
7.4.210.0090.01016.75
7.4.200.0000.00716.66
7.4.160.0080.00816.68
7.4.150.0100.01017.40
7.4.140.0100.00717.86
7.4.130.0080.01016.57
7.4.120.0060.01116.74
7.4.110.0100.01316.57
7.4.100.0070.01116.65
7.4.90.0070.01016.54
7.4.80.0140.00619.39
7.4.70.0120.00916.88
7.4.60.0070.00716.49
7.4.50.0030.00616.32
7.4.40.0060.00916.57
7.4.30.0120.01216.45
7.4.00.0030.01015.07
7.3.330.0060.00013.23
7.3.320.0080.00813.11
7.3.310.0030.00516.17
7.3.300.0060.00016.20
7.3.290.0030.00316.38
7.3.280.0070.01216.34
7.3.270.0090.00917.40
7.3.260.0170.00016.64
7.3.250.0070.01016.61
7.3.240.0100.00716.59
7.3.230.0080.00916.39
7.3.210.0120.00316.36
7.3.200.0110.00919.39
7.3.190.0090.00616.68
7.3.180.0110.00616.41
7.3.170.0030.01716.51
7.3.160.0130.00316.34
7.2.330.0100.00716.80
7.2.320.0170.00016.46
7.2.310.0140.00616.70
7.2.300.0070.01116.54
7.2.290.0060.01616.68
7.2.60.0030.00916.60
7.2.00.0000.01519.37
7.1.200.0060.00615.71
7.1.100.0030.00617.89
7.1.70.0030.00617.20
7.1.60.0140.01019.46
7.1.50.0090.01616.99
7.1.00.0130.06722.52
7.0.200.0110.00716.73
7.0.140.0000.03722.04
7.0.60.0030.03721.75
7.0.50.0100.03317.86
7.0.40.0100.08320.11
7.0.30.0330.03320.14
7.0.20.0170.08720.31
7.0.10.0070.08720.25
7.0.00.0000.08320.02
5.6.280.0070.07020.81
5.6.210.0130.07320.68
5.6.200.0100.04318.16
5.6.190.0100.06720.68
5.6.180.0400.03720.48
5.6.170.0270.03020.33
5.6.160.0000.04320.41
5.6.150.0030.05318.16
5.6.140.0100.05018.10
5.6.130.0070.05718.20
5.6.120.0000.06320.98
5.6.110.0100.08021.13
5.6.100.0070.07720.98
5.6.90.0000.09320.94
5.6.80.0170.07320.38
5.5.350.4270.04020.41
5.5.340.0000.05017.92
5.5.330.0070.08320.15
5.5.320.0370.04320.30
5.5.310.0200.09020.27
5.5.300.0030.08317.91
5.5.290.0070.08317.91
5.5.280.0030.04020.86
5.5.270.0000.08720.86
5.5.260.0130.07720.79
5.5.250.0030.07020.78
5.5.240.3530.04320.03
5.4.450.0630.05019.09
5.4.440.0800.06019.10
5.4.430.1030.05719.52
5.4.420.0970.05719.27
5.4.410.0800.07319.48
5.4.400.0400.07318.81
5.4.390.0500.05318.53
5.4.380.0470.05318.59
5.4.370.0400.07018.65
5.4.360.0370.05718.74
5.4.350.0470.05318.46
5.4.340.0400.06318.78
5.4.320.0370.06718.50
5.4.310.0400.05018.56
5.4.300.0470.05718.71
5.4.290.0270.06718.50
5.4.280.0370.08318.48
5.4.270.0370.07018.45
5.4.260.0200.07018.46
5.4.250.0370.05318.48
5.4.240.0300.07718.74
5.4.230.0400.06018.65
5.4.220.0370.04718.68
5.4.210.0330.04718.61
5.4.200.0200.05716.40
5.4.190.0400.04718.70
5.4.180.0300.05018.70
5.4.170.0300.05318.66
5.4.160.0300.04718.47
5.4.150.0300.04718.67
5.4.140.0270.05716.20
5.4.130.0330.04316.04
5.4.120.0230.05316.35
5.4.110.0370.03716.07
5.4.100.0300.05016.26
5.4.90.0200.05316.12
5.4.80.0230.05016.14
5.4.70.0330.05016.19
5.4.60.0270.04716.14
5.4.50.0230.05016.16
5.4.40.0200.05316.23
5.4.30.0270.04716.27
5.4.20.0300.04716.18
5.4.10.0330.04316.18
5.4.00.0300.04015.67
5.3.290.0300.05014.63
5.3.280.0230.06014.64
5.3.270.0230.05314.67
5.3.260.0170.06314.69
5.3.250.0230.05014.55
5.3.240.0200.05714.53
5.3.230.0370.04314.55
5.3.220.0130.06314.54
5.3.210.0300.04714.66
5.3.200.0300.04714.65
5.3.190.0330.06714.61
5.3.180.0330.04714.54
5.3.170.0270.05714.65
5.3.160.0200.06714.52
5.3.150.0270.05014.47
5.3.140.0200.05014.53
5.3.130.0300.04714.59
5.3.120.0300.05014.53
5.3.110.0230.05714.59
5.3.100.0270.05014.02
5.3.90.0230.05013.96
5.3.80.0270.05013.96
5.3.70.0270.05013.98
5.3.60.0330.06013.93
5.3.50.0200.05713.85
5.3.40.0370.06013.84
5.3.30.0270.07014.00
5.3.20.0300.06013.68
5.3.10.0270.04313.65
5.3.00.0300.04313.55
5.2.170.0200.04711.29
5.2.160.0270.03011.27
5.2.150.0230.03711.11
5.2.140.0200.04011.17
5.2.130.0170.04011.10
5.2.120.0100.05011.16
5.2.110.0130.04711.07
5.2.100.0130.04311.13
5.2.90.0170.05011.04
5.2.80.0200.04011.06
5.2.70.0200.04011.01
5.2.60.0170.04310.97
5.2.50.0270.03311.07
5.2.40.0130.04311.05
5.2.30.0100.05011.01
5.2.20.0100.05710.92
5.2.10.0200.04310.90
5.2.00.0200.04010.86
5.1.60.0130.03310.04
5.1.50.0100.04010.01
5.1.40.0170.03010.07
5.1.30.0130.03710.46
5.1.20.0170.04010.32
5.1.10.0170.04010.05
5.1.00.0100.04010.05
5.0.50.0070.0308.56
5.0.40.0070.0308.46
5.0.30.0070.0478.35
5.0.20.0100.0278.39
5.0.10.0070.0308.18
5.0.00.0070.0478.19
4.4.90.0070.0235.90
4.4.80.0000.0305.96
4.4.70.0070.0235.86
4.4.60.0130.0175.90
4.4.50.0130.0205.82
4.4.40.0100.0375.82
4.4.30.0070.0235.82
4.4.20.0070.0235.96
4.4.10.0030.0275.97
4.4.00.0070.0335.89
4.3.110.0070.0275.75
4.3.100.0070.0235.78
4.3.90.0070.0235.87
4.3.80.0100.0335.80
4.3.70.0070.0205.80
4.3.60.0030.0235.76
4.3.50.0030.0235.77
4.3.40.0030.0375.78
4.3.30.0030.0234.58
4.3.20.0030.0234.61
4.3.10.0030.0234.56
4.3.00.0030.03014.47

preferences:
73.57 ms | 401 KiB | 5 Q