3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'Foobr3¬'; if (!preg_match('/^[a-z0-9].*[a-z0-9]$/i', $string)) { print 'FAIL'; } print 'OK';

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)
8.3.40.0120.00319.02
8.3.30.0100.00319.14
8.3.20.0060.00320.33
8.3.10.0000.00723.70
8.3.00.0080.00019.56
8.2.170.0070.00722.96
8.2.160.0130.00020.35
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.48
8.2.110.0030.00622.38
8.2.100.0110.00018.03
8.2.90.0040.00419.04
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0110.00017.68
8.2.50.0000.01018.07
8.2.40.0030.00619.94
8.2.30.0000.00718.16
8.2.20.0040.00417.82
8.2.10.0080.00018.06
8.2.00.0040.00417.70
8.1.270.0040.00423.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.97
8.1.230.0100.00019.18
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.38
8.1.190.0040.00417.38
8.1.180.0030.00518.10
8.1.170.0060.00318.70
8.1.160.0040.00422.04
8.1.150.0040.00418.68
8.1.140.0000.00717.60
8.1.130.0000.00717.74
8.1.120.0040.00417.68
8.1.110.0000.00817.63
8.1.100.0000.00817.62
8.1.90.0000.00717.59
8.1.80.0000.00717.51
8.1.70.0000.00717.54
8.1.60.0000.00817.63
8.1.50.0040.00417.59
8.1.40.0080.00017.68
8.1.30.0080.00017.68
8.1.20.0030.00517.71
8.1.10.0080.00017.66
8.1.00.0030.00517.66
8.0.300.0000.00718.77
8.0.290.0000.00716.88
8.0.280.0000.00718.40
8.0.270.0070.00017.27
8.0.260.0030.00317.27
8.0.250.0070.00017.05
8.0.240.0070.00316.99
8.0.230.0030.00716.98
8.0.220.0030.00316.93
8.0.210.0000.00716.90
8.0.200.0070.00017.06
8.0.190.0040.00417.09
8.0.180.0040.00417.06
8.0.170.0080.00017.12
8.0.160.0040.00317.04
8.0.150.0050.00317.01
8.0.140.0040.00416.96
8.0.130.0000.00613.47
8.0.120.0080.00016.91
8.0.110.0030.00516.86
8.0.100.0040.00416.85
8.0.90.0000.00717.05
8.0.80.0060.00916.96
8.0.70.0000.00716.90
8.0.60.0040.00417.02
8.0.50.0060.00316.89
8.0.30.0120.01117.23
8.0.20.0120.01117.40
8.0.10.0000.00816.92
8.0.00.0090.00916.92
7.4.330.0000.00615.18
7.4.320.0060.00316.61
7.4.300.0040.00416.79
7.4.290.0000.00616.78
7.4.280.0030.00716.79
7.4.270.0040.00416.56
7.4.260.0000.00716.83
7.4.250.0040.00416.76
7.4.240.0030.00516.66
7.4.230.0040.00416.80
7.4.220.0130.00616.78
7.4.210.0050.01016.64
7.4.200.0050.00216.74
7.4.160.0040.01116.71
7.4.150.0070.01317.40
7.4.140.0110.00717.86
7.4.130.0120.00716.75
7.4.120.0120.00516.67
7.4.110.0070.01016.82
7.4.100.0100.00916.65
7.4.90.0060.01216.59
7.4.80.0080.01419.39
7.4.70.0140.00416.57
7.4.60.0130.00916.59
7.4.50.0000.00816.73
7.4.40.0090.00916.50
7.4.30.0080.01116.46
7.4.00.0100.00314.87
7.3.330.0020.00213.00
7.3.320.0000.00513.16
7.3.310.0000.00716.46
7.3.300.0070.00016.13
7.3.290.0060.00916.34
7.3.280.0090.00616.23
7.3.270.0040.01417.40
7.3.260.0160.00716.36
7.3.250.0120.00716.40
7.3.240.0190.00316.37
7.3.230.0070.01016.39
7.3.210.0090.00616.18
7.3.200.0100.00619.39
7.3.190.0030.01516.30
7.3.180.0100.00716.44
7.3.170.0070.01016.56
7.3.160.0060.00916.51
7.3.120.0090.00615.14
7.3.10.0120.00316.75
7.3.00.0100.00716.52
7.2.330.0090.01216.73
7.2.320.0130.00316.56
7.2.310.0170.00516.77
7.2.300.0110.00516.74
7.2.290.0040.01216.62
7.2.130.0090.00616.91
7.2.120.0100.01016.74
7.2.110.0070.00716.72
7.2.100.0050.00816.93
7.2.90.0100.00616.80
7.2.80.0030.01016.70
7.2.70.0100.00717.17
7.2.60.0020.01216.80
7.2.50.0110.00617.08
7.2.40.0030.00916.88
7.2.30.0100.00717.02
7.2.20.0070.00717.02
7.2.10.0070.00417.04
7.2.00.0120.00416.79
7.1.250.0080.00515.52
7.1.240.0070.01015.63
7.1.230.0090.00015.98
7.1.220.0040.00715.78
7.1.210.0110.00315.73
7.1.200.0070.00415.98
7.1.190.0040.01115.83
7.1.180.0040.01115.52
7.1.170.0070.00415.63
7.1.160.0100.00315.96
7.1.150.0120.00015.84
7.1.140.0030.01015.81
7.1.130.0060.00615.63
7.1.120.0070.00415.90
7.1.110.0140.00015.94
7.1.100.0050.00616.96
7.1.90.0100.00715.95
7.1.80.0120.00615.71
7.1.70.0080.00516.29
7.1.60.0080.01217.60
7.1.50.0070.00916.42
7.1.40.0100.00715.89
7.1.30.0030.01215.69
7.1.20.0100.01015.78
7.1.10.0110.00915.68
7.1.00.0130.03319.07
7.0.330.0160.00015.43
7.0.320.0030.01015.60
7.0.310.0140.00315.05
7.0.300.0080.00415.61
7.0.290.0150.00015.43
7.0.280.0040.00715.32
7.0.270.0070.01015.20
7.0.260.0110.00315.18
7.0.250.0120.00015.21
7.0.240.0030.00915.32
7.0.230.0070.00715.09
7.0.220.0000.01215.42
7.0.210.0000.01015.47
7.0.200.0080.00615.97
7.0.190.0100.00715.37
7.0.180.0100.00515.24
7.0.170.0030.01315.27
7.0.160.0170.00315.75
7.0.150.0090.00615.42
7.0.140.0050.04118.89
7.0.130.0040.01115.36
7.0.120.0060.01015.26
7.0.110.0100.00615.19
7.0.100.0120.00615.37
7.0.90.0100.00715.51
7.0.80.0060.01115.55
7.0.70.0070.01015.17
7.0.60.0130.04017.70
7.0.50.0120.03916.73
7.0.40.0100.02317.09
7.0.30.0180.03716.85
7.0.20.0180.04516.88
7.0.10.0030.03516.84
7.0.00.0050.04716.68
5.6.380.0030.00714.47
5.6.370.0040.00414.18
5.6.360.0080.00414.52
5.6.350.0000.01114.43
5.6.340.0040.00414.43
5.6.330.0040.00414.16
5.6.320.0040.00713.88
5.6.310.0030.01014.04
5.6.300.0050.00814.46
5.6.290.0060.01014.60
5.6.280.0030.04217.75
5.6.270.0060.00614.59
5.6.260.0040.01214.28
5.6.250.0080.00414.31
5.6.240.0050.00514.53
5.6.230.0100.00314.34
5.6.220.0080.00014.35
5.6.210.0080.02217.41
5.6.200.0050.04516.14
5.6.190.0080.04617.32
5.6.180.2190.02217.46
5.6.170.0110.02317.36
5.6.160.0080.04217.37
5.6.150.0050.02716.26
5.6.140.0080.03616.22
5.6.130.0020.02516.31
5.6.120.0080.02317.53
5.6.110.0070.04217.72
5.6.100.0030.05117.77
5.6.90.0110.04017.73
5.6.80.0080.04317.41
5.6.70.1690.02017.24
5.6.60.0040.00714.38
5.6.50.0060.00614.18
5.6.40.0060.00913.94
5.6.30.0030.00714.13
5.6.20.0030.00713.98
5.6.10.0100.00714.01
5.6.00.0060.00914.26
5.5.380.0000.00711.06
5.5.370.0070.00311.21
5.5.360.0090.00010.71
5.5.350.0060.01715.69
5.5.340.0070.03114.42
5.5.330.0050.03215.32
5.5.320.0170.04015.67
5.5.310.0190.02615.56
5.5.300.0050.04314.54
5.5.290.0030.03114.45
5.5.280.0090.03415.86
5.5.270.0050.04515.81
5.5.260.0050.02315.77
5.5.250.0030.03015.72
5.5.240.0070.04015.56
5.5.230.0070.00310.86
5.5.220.0050.00310.67
5.5.210.0000.00910.64
5.5.200.0060.00310.98
5.5.190.0040.00810.53
5.5.180.0070.00010.73
5.5.170.0080.00310.46
5.5.160.0050.00210.83
5.5.150.0080.00210.97
5.5.140.0040.00410.86
5.5.130.0000.00910.82
5.5.120.0040.00710.90
5.5.110.0050.00410.79
5.5.100.0090.00010.63
5.5.90.0050.00510.96
5.5.80.0030.00510.69
5.5.70.0100.00310.87
5.5.60.0100.00010.76
5.5.50.0070.00210.91
5.5.40.0000.01210.63
5.5.30.0040.00811.00
5.5.20.0060.00610.46
5.5.10.0030.00710.90
5.5.00.0070.00410.71
5.4.450.0200.02927.38
5.4.440.0100.02727.28
5.4.430.0130.02327.28
5.4.420.0300.02027.37
5.4.410.0150.02327.27
5.4.400.0630.02514.71
5.4.390.0150.02527.24
5.4.380.0260.02514.55
5.4.370.0160.02814.49
5.4.360.0180.02814.70
5.4.350.0150.03414.53
5.4.340.0240.02814.71
5.4.330.0120.00010.50
5.4.320.0040.02211.67
5.4.310.0060.02111.61
5.4.300.0050.02511.46
5.4.290.0040.02711.46
5.4.280.0020.02311.51
5.4.270.0030.02211.42
5.4.260.0090.02311.58
5.4.250.0070.02111.51
5.4.240.0030.02411.58
5.4.230.0040.02311.39
5.4.220.0080.01811.66
5.4.210.0080.01711.35
5.4.200.0080.02111.50
5.4.190.0100.01911.55
5.4.180.0070.02011.48
5.4.170.0080.02011.46
5.4.160.0070.02111.60
5.4.150.0080.02011.55
5.4.140.0050.01911.44
5.4.130.0040.02211.39
5.4.120.0040.02211.34
5.4.110.0090.01911.41
5.4.100.0060.01911.32
5.4.90.0070.02111.21
5.4.80.0040.02111.36
5.4.70.0050.02111.32
5.4.60.0020.02211.41
5.4.50.0030.02311.44
5.4.40.0080.02011.36
5.4.30.0040.02311.33
5.4.20.0050.02411.37
5.4.10.0060.02211.28
5.4.00.0040.02111.06
5.3.290.0030.02411.71
5.3.280.0040.02411.56
5.3.270.0060.02511.60
5.3.260.0070.02411.56
5.3.250.0040.02311.67
5.3.240.0070.02111.62
5.3.230.0040.02411.62
5.3.220.0020.02211.54
5.3.210.0070.01911.52
5.3.200.0040.02011.44
5.3.190.0050.02011.61
5.3.180.0040.02411.63
5.3.170.0030.02211.57
5.3.160.0040.02311.61
5.3.150.0040.02111.63
5.3.140.0070.02211.52
5.3.130.0050.02511.59
5.3.120.0050.02311.45
5.3.110.0070.02811.58
5.3.100.0060.02111.26
5.3.90.0050.02411.19
5.3.80.0100.02211.09
5.3.70.0080.01911.24
5.3.60.0070.02511.25
5.3.50.0080.02111.14
5.3.40.0050.02011.13
5.3.30.0040.02211.18
5.3.20.0050.02110.96
5.3.10.0040.02110.97
5.3.00.0060.01910.85
5.2.170.0050.0179.20
5.2.160.0030.0189.24
5.2.150.0040.0179.23
5.2.140.0040.0179.24
5.2.130.0060.0189.30
5.2.120.0060.0149.30
5.2.110.0040.0189.38
5.2.100.0040.0189.25
5.2.90.0070.0149.28
5.2.80.0040.0169.10
5.2.70.0050.0159.19
5.2.60.0050.0179.22
5.2.50.0020.0219.27
5.2.40.0070.0209.14
5.2.30.0030.0209.14
5.2.20.0060.0199.11
5.2.10.0060.0178.91
5.2.00.0050.0178.89
5.1.60.0060.0118.29
5.1.50.0050.0128.25
5.1.40.0040.0138.19
5.1.30.0050.0158.45
5.1.20.0020.0168.39
5.1.10.0060.0168.39
5.1.00.0020.0168.27
5.0.50.0020.0127.15
5.0.40.0050.0147.08
5.0.30.0040.0156.98
5.0.20.0030.0146.97
5.0.10.0020.0136.96
5.0.00.0030.0176.95
4.4.90.0020.0096.23
4.4.80.0030.0116.22
4.4.70.0030.0116.22
4.4.60.0030.0146.22
4.4.50.0040.0096.23
4.4.40.0010.0206.20
4.4.30.0010.0106.22
4.4.20.0040.0096.26
4.4.10.0030.0086.27
4.4.00.0030.0146.22
4.3.110.0020.0156.18
4.3.100.0010.0106.17
4.3.90.0020.0086.16
4.3.80.0020.0166.13
4.3.70.0020.0096.16
4.3.60.0010.0116.15
4.3.50.0020.0096.15
4.3.40.0040.0126.11
4.3.30.0000.0135.48
4.3.20.0010.0125.47
4.3.10.0020.0115.45
4.3.00.0000.01425.72

preferences:
50.37 ms | 400 KiB | 5 Q