3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var1 = $var2 ='qwe'; echo preg_match('/^' . preg_quote($var1, '/') . '/ie', $var2);

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)
8.3.60.0090.00618.56
8.3.50.0160.00821.14
8.3.40.0070.00718.88
8.3.30.0100.01018.97
8.3.20.0080.00020.31
8.3.10.0040.00423.48
8.3.00.0040.00418.89
8.2.180.0100.00718.56
8.2.170.0070.00722.96
8.2.160.0100.00322.20
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0070.00020.91
8.2.110.0090.00020.91
8.2.100.0090.00319.70
8.2.90.0050.00317.75
8.2.80.0080.00017.97
8.2.70.0000.00818.04
8.2.60.0050.00318.03
8.2.50.0040.00418.07
8.2.40.0070.00319.71
8.2.30.0040.00418.05
8.2.20.0040.00417.66
8.2.10.0000.00717.98
8.2.00.0070.00017.78
8.1.280.0100.00725.92
8.1.270.0030.00518.87
8.1.260.0070.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.96
8.1.230.0080.00422.68
8.1.220.0040.00417.76
8.1.210.0050.00318.77
8.1.200.0050.00317.35
8.1.190.0050.00317.00
8.1.180.0040.00418.10
8.1.170.0060.00318.59
8.1.160.0040.00421.93
8.1.150.0000.00718.91
8.1.140.0030.00517.44
8.1.130.0070.00017.72
8.1.120.0040.00417.36
8.1.110.0040.00417.43
8.1.100.0040.00417.47
8.1.90.0000.00717.33
8.1.80.0000.00817.43
8.1.70.0000.00717.48
8.1.60.0040.00417.46
8.1.50.0040.00417.39
8.1.40.0040.00417.39
8.1.30.0080.00017.59
8.1.20.0030.00517.55
8.1.10.0000.00717.41
8.1.00.0040.00417.45
8.0.300.0040.00419.58
8.0.290.0000.00816.88
8.0.280.0030.00318.34
8.0.270.0000.00716.86
8.0.260.0030.00317.11
8.0.250.0040.00416.91
8.0.240.0080.00016.99
8.0.230.0070.00016.91
8.0.220.0030.00316.91
8.0.210.0030.00316.92
8.0.200.0000.00717.02
8.0.190.0050.00216.89
8.0.180.0040.00416.96
8.0.170.0070.00016.95
8.0.160.0070.00016.87
8.0.150.0040.00416.92
8.0.140.0050.00216.89
8.0.130.0030.00313.36
8.0.120.0000.00916.79
8.0.110.0080.00016.77
8.0.100.0030.00316.71
8.0.90.0000.00816.80
8.0.80.0090.00616.91
8.0.70.0000.00716.99
8.0.60.0040.00416.79
8.0.50.0000.00816.86
8.0.30.0130.01016.97
8.0.20.0130.01117.40
8.0.10.0050.00317.00
8.0.00.0150.01416.70
7.4.330.0000.00515.11
7.4.320.0030.00316.38
7.4.300.0000.00616.42
7.4.290.0040.00416.34
7.4.280.0030.00516.50
7.4.270.0030.00316.28
7.4.260.0030.00316.40
7.4.250.0040.00416.38
7.4.240.0020.00516.49
7.4.230.0040.00416.54
7.4.220.0120.00616.37
7.4.210.0040.01216.44
7.4.200.0030.00516.40
7.4.160.0080.00816.39
7.4.150.0150.00317.40
7.4.140.0140.01017.86
7.4.130.0070.01016.41
7.4.120.0090.00716.50
7.4.110.0120.01016.50
7.4.100.0110.00716.49
7.4.90.0060.01216.55
7.4.80.0100.00719.39
7.4.70.0030.01416.46
7.4.60.0060.01016.33
7.4.50.0080.00016.55
7.4.40.0110.00616.55
7.4.30.0110.01216.50
7.4.00.0060.01014.89
7.3.330.0000.00612.99
7.3.320.0050.00013.20
7.3.310.0000.00716.28
7.3.300.0030.00316.14
7.3.290.0100.00716.25
7.3.280.0110.00816.22
7.3.270.0140.00917.40
7.3.260.0140.00316.45
7.3.250.0110.00916.24
7.3.240.0110.00616.23
7.3.230.0120.00616.43
7.3.210.0130.01616.33
7.3.200.0090.01519.39
7.3.190.0110.00616.33
7.3.180.0140.00316.50
7.3.170.0170.00316.29
7.3.160.0040.01216.23
7.2.330.0100.00716.93
7.2.320.0030.01616.88
7.2.310.0110.00316.50
7.2.300.0100.00616.80
7.2.290.0060.01716.84
7.2.60.0030.01317.04
7.2.00.0000.01519.36
7.1.200.0090.00315.92
7.1.100.0030.00918.20
7.1.70.0050.00217.16
7.1.60.0000.02119.22
7.1.50.0070.01416.39
7.1.00.0070.07322.45
7.0.200.0030.00716.58
7.0.140.0000.03721.93
7.0.60.0100.05719.78
7.0.50.0070.08017.79
7.0.40.0030.08020.11
7.0.30.0330.07020.18
7.0.20.0270.09320.02
7.0.10.0100.08320.03
7.0.00.0100.08320.02
5.6.280.0030.07321.06
5.6.210.0100.06720.75
5.6.200.0100.08318.23
5.6.190.0030.09320.33
5.6.180.0300.05020.32
5.6.170.0130.08720.41
5.6.160.0100.04720.52
5.6.150.0130.07318.21
5.6.140.0170.07018.20
5.6.130.0070.08018.18
5.6.120.0070.08320.89
5.6.110.0100.06320.97
5.6.100.0030.06021.00
5.6.90.0100.07720.99
5.6.80.0130.08020.43
5.5.350.0070.07320.43
5.5.340.0070.08317.88
5.5.330.0070.06720.46
5.5.320.0300.07320.32
5.5.310.0270.07020.41
5.5.300.0070.08317.88
5.5.290.0030.05317.92
5.5.280.0070.07020.86
5.5.270.0070.07020.67
5.5.260.0030.06720.94
5.5.250.0030.09320.46
5.5.240.0070.02720.25
5.4.450.0430.07319.14
5.4.440.0200.05019.42
5.4.430.0270.04319.33
5.4.420.0200.05319.63
5.4.410.0070.05719.41
5.4.400.0700.05319.19
5.4.390.0970.05019.09
5.4.380.0100.06018.70
5.4.370.0230.04318.52
5.4.360.0200.05318.46
5.4.350.0230.07018.45
5.4.340.0330.04718.46
5.4.320.0170.05718.60
5.4.310.0130.05718.58
5.4.300.0200.04718.65
5.4.290.0070.06718.46
5.4.280.0130.05318.67
5.4.270.0270.04318.45
5.4.260.0170.05318.45
5.4.250.0170.05718.45
5.4.240.0130.05718.52
5.4.230.0170.05318.48
5.4.220.0130.06018.66
5.4.210.0170.05318.61
5.4.200.0200.06016.75
5.4.190.0200.05018.70
5.4.180.0170.05318.76
5.4.170.0130.05718.47
5.4.160.0170.05318.46
5.4.150.0170.05318.56
5.4.140.0230.05016.20
5.4.130.0130.05016.04
5.4.120.0200.04316.31
5.4.110.0200.04316.22
5.4.100.0130.05716.03
5.4.90.0270.06016.27
5.4.80.0170.06716.33
5.4.70.0100.06016.13
5.4.60.0200.04716.20
5.4.50.0100.06016.27
5.4.40.0170.05016.21
5.4.30.0070.06016.03
5.4.20.0170.05316.21
5.4.10.0270.04016.04
5.4.00.0270.03715.70
5.3.290.0300.04014.71
5.3.280.0230.04714.68
5.3.270.0170.06014.53
5.3.260.0300.04014.51
5.3.250.0230.05714.55
5.3.240.0170.05014.56
5.3.230.0200.04714.54
5.3.220.0230.04714.53
5.3.210.0270.04314.56
5.3.200.0170.05014.54
5.3.190.0170.05014.53
5.3.180.0200.05314.71
5.3.170.0130.05314.46
5.3.160.0170.05014.49
5.3.150.0200.05014.53
5.3.140.0200.05014.51
5.3.130.0170.06014.47
5.3.120.0230.04714.47
5.3.110.0300.04014.45
5.3.100.0300.03713.96
5.3.90.0200.04713.97
5.3.80.0130.05314.01
5.3.70.0130.05313.93
5.3.60.0100.05713.98
5.3.50.0300.04013.89
5.3.40.0200.05013.86
5.3.30.0270.05013.82
5.3.20.0300.03713.61
5.3.10.0170.05313.68
5.3.00.0270.04013.55
5.2.170.0100.04311.11
5.2.160.0100.04311.18
5.2.150.0130.04311.20
5.2.140.0200.03711.17
5.2.130.0200.03311.08
5.2.120.0130.04011.12
5.2.110.0070.04710.97
5.2.100.0000.05011.15
5.2.90.0200.03311.31
5.2.80.0130.04311.07
5.2.70.0170.04011.13
5.2.60.0230.03311.02
5.2.50.0100.04711.07
5.2.40.0000.05311.03
5.2.30.0130.04311.11
5.2.20.0070.04310.93
5.2.10.0200.03011.03
5.2.00.0070.04710.72
5.1.60.0100.03310.09
5.1.50.0170.0279.99
5.1.40.0100.0409.99
5.1.30.0270.03310.34
5.1.20.0100.04310.44
5.1.10.0170.04310.19
5.1.00.0130.03310.25
5.0.50.0100.0278.64
5.0.40.0030.0308.58
5.0.30.0100.0438.23
5.0.20.0000.0378.41
5.0.10.0100.0238.18
5.0.00.0130.0408.13
4.4.90.0030.0275.94
4.4.80.0070.0205.91
4.4.70.0070.0205.89
4.4.60.0100.0235.88
4.4.50.0070.0205.92
4.4.40.0070.0335.87
4.4.30.0100.0275.87
4.4.20.0100.0175.93
4.4.10.0100.0175.98
4.4.00.0100.0305.84
4.3.110.0000.0275.81
4.3.100.0030.0235.81
4.3.90.0070.0205.84
4.3.80.0100.0305.79
4.3.70.0030.0235.87
4.3.60.0070.0205.79
4.3.50.0000.0305.78
4.3.40.0070.0335.75
4.3.30.0030.0234.59
4.3.20.0000.0234.58
4.3.10.0000.0274.61
4.3.00.0100.0277.76

preferences:
67.91 ms | 401 KiB | 5 Q