3v4l.org

run code in 300+ PHP versions simultaneously
<? $x = 'bob1'; echo preg_match('[0-9a-zA-Z]', $x); echo preg_match('[0-9a-zA-Z]', $x); echo preg_match('[0-9a-zA-Z]', $x); echo $x; ?>

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)
8.3.60.0120.00318.18
8.3.50.0130.01021.04
8.3.40.0120.00318.51
8.3.30.0100.00319.07
8.3.20.0040.00420.09
8.3.10.0040.00423.52
8.3.00.0050.00319.13
8.2.180.0110.00416.32
8.2.170.0070.00722.96
8.2.160.0130.00620.39
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00022.09
8.2.110.0080.00020.58
8.2.100.0040.01117.97
8.2.90.0050.00318.84
8.2.80.0060.00317.97
8.2.70.0030.00617.50
8.2.60.0060.00317.79
8.2.50.0000.00818.07
8.2.40.0080.00019.75
8.2.30.0080.00017.98
8.2.20.0070.00017.59
8.2.10.0040.00417.87
8.2.00.0020.00517.42
8.1.280.0030.01225.92
8.1.270.0040.00423.75
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0090.00024.02
8.1.230.0080.00419.07
8.1.220.0060.00317.74
8.1.210.0000.00718.77
8.1.200.0080.00316.98
8.1.190.0040.00417.11
8.1.180.0040.00418.10
8.1.170.0030.00618.62
8.1.160.0050.00321.85
8.1.150.0030.00518.70
8.1.140.0000.00717.18
8.1.130.0030.00317.80
8.1.120.0000.00717.31
8.1.110.0040.00417.25
8.1.100.0000.00717.35
8.1.90.0000.00717.35
8.1.80.0030.00317.23
8.1.70.0000.00817.19
8.1.60.0060.00317.46
8.1.50.0040.00417.28
8.1.40.0000.00817.27
8.1.30.0040.00417.57
8.1.20.0000.00717.41
8.1.10.0040.00417.30
8.1.00.0040.00417.41
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0000.00718.33
8.0.270.0000.00817.16
8.0.260.0030.00317.14
8.0.250.0000.00716.82
8.0.240.0030.00316.81
8.0.230.0030.00316.76
8.0.220.0030.00316.77
8.0.210.0020.00516.71
8.0.200.0040.00416.82
8.0.190.0030.00416.85
8.0.180.0040.00416.79
8.0.170.0000.00716.76
8.0.160.0050.00316.86
8.0.150.0030.00316.73
8.0.140.0000.00716.66
8.0.130.0000.00613.33
8.0.120.0040.00416.59
8.0.110.0000.00816.62
8.0.100.0000.00716.54
8.0.90.0050.00216.60
8.0.80.0030.01516.64
8.0.70.0000.00816.66
8.0.60.0000.00716.81
8.0.50.0040.00416.61
8.0.30.0100.01116.85
8.0.20.0110.00817.40
8.0.10.0040.00416.69
8.0.00.0100.00716.63
7.4.330.0000.00515.02
7.4.320.0000.00616.50
7.4.300.0030.00316.32
7.4.290.0060.00016.34
7.4.280.0080.00016.35
7.4.270.0070.00016.43
7.4.260.0040.00416.25
7.4.250.0000.00816.34
7.4.240.0040.00416.38
7.4.230.0030.00316.48
7.4.220.0100.01016.28
7.4.210.0090.00616.41
7.4.200.0050.00216.30
7.4.160.0120.00316.56
7.4.150.0090.00917.40
7.4.140.0150.00317.86
7.4.130.0140.00616.31
7.4.120.0130.00316.42
7.4.110.0150.00316.27
7.4.100.0090.00916.36
7.4.90.0070.01516.51
7.4.80.0090.00919.39
7.4.70.0150.00316.35
7.4.60.0090.00616.26
7.4.50.0050.00316.17
7.4.40.0120.00316.27
7.4.30.0060.00916.31
7.4.00.0090.00314.50
7.3.330.0020.00313.10
7.3.320.0000.00513.19
7.3.310.0000.00716.19
7.3.300.0000.00616.03
7.3.290.0060.00916.09
7.3.280.0040.01216.08
7.3.270.0090.01017.40
7.3.260.0080.00816.37
7.3.250.0050.01416.24
7.3.240.0110.00716.27
7.3.230.0060.01216.39
7.3.210.0110.00516.35
7.3.200.0150.00619.39
7.3.190.0140.00316.24
7.3.180.0080.00816.17
7.3.170.0080.00816.27
7.3.160.0100.00616.21
7.2.330.0070.01016.23
7.2.320.0120.00616.40
7.2.310.0070.01016.52
7.2.300.0070.01016.65
7.2.290.0070.01116.54
7.2.60.0030.01017.12
7.1.200.0060.00615.94
7.1.100.0080.00418.43
7.1.70.0000.01017.48
7.1.60.0040.01819.11
7.1.50.0120.01217.11
7.1.00.0070.07322.34
7.0.200.0030.00716.66
7.0.140.0070.07022.12
7.0.60.0100.08020.02
7.0.50.0100.06717.82
7.0.40.0030.04020.21
7.0.30.0300.07720.03
7.0.20.0330.08320.19
7.0.10.0370.07720.10
7.0.00.0070.04020.02
5.6.280.0030.07320.81
5.6.210.0030.04320.51
5.6.200.0030.08718.08
5.6.190.0170.07320.43
5.6.180.4070.04720.79
5.6.170.0200.09020.71
5.6.160.0100.05720.48
5.6.150.0100.08018.11
5.6.140.0170.06718.15
5.6.130.0070.04018.21
5.6.120.0000.04721.13
5.6.110.0070.06020.88
5.6.100.0100.08320.99
5.6.90.0070.04021.09
5.6.80.0070.07720.52
5.6.70.4200.04320.38
5.5.350.0230.06720.41
5.5.340.0070.04717.99
5.5.330.0230.07020.15
5.5.320.0230.05320.31
5.5.310.0170.04020.27
5.5.300.0170.06717.92
5.5.290.0130.07717.88
5.5.280.0030.06720.87
5.5.270.0170.06720.79
5.5.260.0000.09320.86
5.5.250.0070.08020.54
5.5.240.0170.06720.25
5.4.450.0530.03719.41
5.4.440.0400.04019.41
5.4.430.0530.05719.40
5.4.420.0570.06719.41
5.4.410.0470.06319.07
5.4.400.0500.05718.79
5.4.390.0530.06719.08
5.4.380.0430.03319.10
5.4.370.0430.03719.09
5.4.360.0470.07019.26
5.4.350.0470.05719.09
5.4.340.0530.06319.09
5.4.320.0500.04719.09
5.4.310.0530.06318.93
5.4.300.0430.07019.05
5.4.290.0530.06019.09
5.4.280.0400.04019.16
5.4.270.0370.03719.05
5.4.260.0500.06019.08
5.4.250.0470.04319.21
5.4.240.0500.06318.80
5.4.230.0530.06019.08
5.4.220.0330.05318.87
5.4.210.0500.06019.07
5.4.200.0400.06018.93
5.4.190.0400.03319.09
5.4.180.0400.04319.24
5.4.170.0330.04019.07
5.4.160.0430.07318.86
5.4.150.0430.05318.91
5.4.140.0430.06316.16
5.4.130.0470.04316.27
5.4.120.0470.05316.35
5.4.110.0430.06716.23
5.4.100.0570.04716.40
5.4.90.0430.03716.38
5.4.80.0430.04016.20
5.4.70.0430.04716.44
5.4.60.0470.06716.45
5.4.50.0400.05716.17
5.4.40.0370.03716.20
5.4.30.0330.03716.43
5.4.20.0530.05716.17
5.4.10.0600.03316.19
5.4.00.0300.04015.82
5.3.290.0500.06314.70
5.3.280.0330.04314.69
5.3.270.0330.04314.58
5.3.260.0400.07314.58
5.3.250.0470.04714.43
5.3.240.0500.06714.65
5.3.230.0430.07314.57
5.3.220.0470.05014.65
5.3.210.0400.07714.65
5.3.200.0470.06314.40
5.3.190.0430.07014.41
5.3.180.0470.06714.49
5.3.170.0470.03014.43
5.3.160.0530.05714.51
5.3.150.0530.06014.43
5.3.140.0370.03714.50
5.3.130.0470.04714.48
5.3.120.0530.06714.49
5.3.110.0430.06714.38
5.3.100.0270.04313.87
5.3.90.0300.04013.96
5.3.80.0370.04313.89
5.3.70.0500.07014.04
5.3.60.0570.06013.94
5.3.50.0430.07013.88
5.3.40.0400.03713.84
5.3.30.0530.04713.93
5.3.20.0430.05713.71
5.3.10.0270.05013.48
5.3.00.0430.02713.47
5.2.170.0370.06011.72
5.2.160.0400.05711.72
5.2.150.0470.05011.72
5.2.140.0370.05711.72
5.2.130.0370.05011.72
5.2.120.0430.03711.72
5.2.110.0330.02311.72
5.2.100.0370.03711.72
5.2.90.0230.03311.72
5.2.80.0370.03311.72
5.2.70.0370.05311.72
5.2.60.0400.03311.72
5.2.50.0370.04311.72
5.2.40.0330.05311.72
5.2.30.0200.03711.72
5.2.20.0270.03311.72
5.2.10.0330.03311.72
5.2.00.0200.03011.72
5.1.60.0230.02311.72
5.1.50.0200.02311.72
5.1.40.0230.02311.72
5.1.30.0170.03011.72
5.1.20.0230.02311.72
5.1.10.0200.02311.72
5.1.00.0270.02011.72
5.0.50.0130.01711.72
5.0.40.0130.02311.72
5.0.30.0100.03011.72
5.0.20.0130.02711.72
5.0.10.0170.01311.72
5.0.00.0200.02711.72
4.4.90.0170.03311.72
4.4.80.0130.04011.72
4.4.70.0100.02311.72
4.4.60.0100.01711.72
4.4.50.0070.02011.72
4.4.40.0130.02311.72
4.4.30.0070.01711.72
4.4.20.0070.01711.72
4.4.10.0100.01711.72
4.4.00.0100.02311.72
4.3.110.0100.01311.72
4.3.100.0100.01711.72
4.3.90.0070.01711.72
4.3.80.0100.02311.72
4.3.70.0170.01311.72
4.3.60.0100.01311.72
4.3.50.0100.01711.72
4.3.40.0130.02011.72
4.3.30.0030.01711.72
4.3.20.0030.01711.72
4.3.10.0030.01711.72
4.3.00.0070.01711.72

preferences:
41.05 ms | 401 KiB | 5 Q