3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = "#>nga.LEFT_KEY"; echo preg_match('/^#([\!,\<,\>,\=,\%])?([a-z,_]*[\.]?)?([A-Z,_]+)$/', $subject);

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)
8.3.60.0090.01218.56
8.3.50.0070.00921.09
8.3.40.0060.00918.97
8.3.30.0070.00718.97
8.3.20.0040.00418.73
8.3.10.0040.00419.21
8.3.00.0080.00023.66
8.2.180.0110.00716.63
8.2.170.0140.00022.96
8.2.160.0110.00420.52
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0060.00319.66
8.2.110.0050.00520.33
8.2.100.0120.00017.91
8.2.90.0080.00019.01
8.2.80.0060.00318.04
8.2.70.0050.00317.75
8.2.60.0030.00617.93
8.2.50.0040.00418.07
8.2.40.0050.00218.22
8.2.30.0000.00821.34
8.2.20.0040.00417.79
8.2.10.0040.00417.82
8.2.00.0080.00017.67
8.1.280.0140.00325.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0070.00428.09
8.1.240.0030.00722.61
8.1.230.0080.00420.91
8.1.220.0060.00318.77
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0000.00817.29
8.1.180.0000.00818.10
8.1.170.0090.00018.59
8.1.160.0030.00318.73
8.1.150.0030.00518.64
8.1.140.0000.00717.54
8.1.130.0030.00317.77
8.1.120.0030.00517.62
8.1.110.0000.00817.45
8.1.100.0000.00717.51
8.1.90.0070.00017.59
8.1.80.0000.00717.60
8.1.70.0040.00417.43
8.1.60.0090.00017.56
8.1.50.0000.00817.59
8.1.40.0040.00717.63
8.1.30.0030.00617.57
8.1.20.0000.00817.64
8.1.10.0000.00717.64
8.1.00.0030.00617.59
8.0.300.0050.00319.96
8.0.290.0070.00016.93
8.0.280.0030.00518.57
8.0.270.0000.00817.32
8.0.260.0090.00016.96
8.0.250.0040.00417.13
8.0.240.0080.00017.00
8.0.230.0030.00317.06
8.0.220.0000.00816.98
8.0.210.0080.00016.95
8.0.200.0030.00316.94
8.0.190.0050.00216.90
8.0.180.0050.00216.98
8.0.170.0080.00316.91
8.0.160.0070.00016.93
8.0.150.0040.00416.83
8.0.140.0070.00016.87
8.0.130.0000.00613.47
8.0.120.0000.00816.98
8.0.110.0000.00717.00
8.0.100.0040.00416.92
8.0.90.0070.00017.04
8.0.80.0210.00016.93
8.0.70.0040.00416.91
8.0.60.0000.00716.86
8.0.50.0070.00016.77
8.0.30.0100.01017.12
8.0.20.0090.00917.40
8.0.10.0000.00716.97
8.0.00.0090.00916.92
7.4.330.0030.00314.91
7.4.320.0060.00016.67
7.4.300.0000.00616.61
7.4.290.0040.00416.69
7.4.280.0030.00316.71
7.4.270.0050.00316.74
7.4.260.0000.00613.40
7.4.250.0080.00016.70
7.4.240.0040.00416.63
7.4.230.0030.00316.65
7.4.220.0090.00916.75
7.4.210.0080.00816.70
7.4.200.0040.00416.70
7.4.190.0040.00416.59
7.4.160.0100.00716.64
7.4.150.0140.00417.40
7.4.140.0130.00517.86
7.4.130.0160.00316.67
7.4.120.0090.01016.54
7.4.110.0130.00316.58
7.4.100.0090.00816.69
7.4.90.0130.01016.82
7.4.80.0060.01219.39
7.4.70.0080.00816.56
7.4.60.0060.01016.73
7.4.50.0030.00616.52
7.4.40.0090.00622.52
7.4.30.0110.01616.70
7.4.00.0100.00715.03
7.3.330.0000.00613.11
7.3.320.0000.00513.00
7.3.310.0000.00716.22
7.3.300.0000.00716.27
7.3.290.0070.01016.39
7.3.280.0070.01016.33
7.3.270.0090.00917.40
7.3.260.0070.01018.24
7.3.250.0150.00316.40
7.3.240.0090.01016.63
7.3.230.0110.00516.53
7.3.210.0060.01016.65
7.3.200.0140.00719.39
7.3.190.0140.00916.46
7.3.180.0170.00316.56
7.3.170.0120.00616.36
7.3.160.0090.00616.58
7.3.120.0000.01714.74
7.2.330.0090.00916.63
7.2.320.0060.01116.75
7.2.310.0030.01316.74
7.2.300.0090.00816.63
7.2.290.0150.00616.58
7.2.60.0000.01416.87
7.2.00.0100.00319.68
7.1.200.0100.00315.70
7.1.100.0000.01318.36
7.1.70.0030.01317.02
7.1.60.0130.01319.40
7.1.50.0090.00917.13
7.1.00.0000.07722.42
7.0.200.0000.00716.87
7.0.140.0000.07322.10
7.0.120.0000.04021.95
7.0.110.0000.05322.05
7.0.100.0000.04021.95
7.0.90.0030.07722.05
7.0.80.0070.03722.04
7.0.70.0030.06722.11
7.0.60.0000.04021.88
7.0.50.0000.08722.14
7.0.40.0030.05020.13
7.0.30.0000.04320.05
7.0.20.0000.04020.00
7.0.10.0030.03720.04
7.0.00.0030.03719.98
5.6.280.0100.06720.77
5.6.270.0030.03720.87
5.6.260.0100.09020.93
5.6.250.0000.04020.98
5.6.240.0100.07321.01
5.6.230.0000.05721.05
5.6.220.0000.04020.68
5.6.210.0000.04020.91
5.6.200.0030.08720.97
5.6.190.0030.07320.97
5.6.180.0030.05320.72
5.6.170.0000.07320.73
5.6.160.0030.03720.68
5.6.150.0070.03720.77
5.6.140.0070.03320.97
5.6.130.0000.04020.96
5.6.120.0070.03720.77
5.6.110.0000.04320.98
5.6.100.0030.04020.98
5.6.90.0000.05720.71
5.6.80.0030.04320.07
5.6.70.0070.03720.39
5.6.60.0000.04020.38
5.6.50.0000.04720.36
5.6.40.0070.03720.24
5.6.30.0030.03720.13
5.6.20.0030.03720.21
5.6.10.0000.04020.38
5.6.00.0030.03720.29
5.5.380.0070.07017.50
5.5.370.0030.05717.52
5.5.360.0000.06317.52
5.5.350.0000.04017.52
5.5.340.0000.03717.87
5.5.330.0000.06017.87
5.5.320.0100.07318.01
5.5.310.0100.07017.77
5.5.300.0070.03318.00
5.5.290.0000.04017.99
5.5.280.0000.05718.02
5.5.270.0030.04718.16
5.5.260.0030.03717.85
5.5.250.0000.04017.82
5.5.240.0030.03717.48
5.5.230.0030.03717.14
5.5.220.0000.03717.38
5.5.210.0030.03717.22
5.5.200.0030.03717.20
5.5.190.0030.03717.52
5.5.180.0070.03317.36
5.5.160.0030.03717.12
5.5.150.0030.03317.50
5.5.140.0030.03717.37
5.5.130.0030.05717.52
5.5.120.0030.02717.21
5.5.110.0030.02717.51
5.5.100.0000.07717.25
5.5.90.0100.07317.01
5.5.80.0030.03317.41
5.5.70.0000.04017.34
5.5.60.0000.03317.41
5.5.50.0030.03717.09
5.5.40.0030.03317.23
5.5.30.0000.03717.33
5.5.20.0030.03317.09
5.5.10.0000.08317.08
5.5.00.0030.07017.48
5.4.450.0000.04319.20
5.4.440.0030.04019.39
5.4.430.0000.04019.39
5.4.420.0030.03319.54
5.4.410.0070.07319.13
5.4.400.0000.04018.86
5.4.390.0130.02718.88
5.4.380.0130.03019.12
5.4.370.0000.03718.90
5.4.360.0030.04018.89
5.4.350.0000.03718.93
5.4.340.0030.03719.13
5.4.320.0000.04018.97
5.4.310.0000.04019.13
5.4.300.0000.03719.21
5.4.290.0000.03718.89
5.4.280.0030.03719.22
5.4.270.0000.03719.07
5.4.260.0030.02719.12
5.4.250.0000.03719.06
5.4.240.0000.03719.12
5.4.230.0000.03718.96
5.4.220.0000.04019.05
5.4.210.0030.02719.10
5.4.200.0030.02719.00
5.4.190.0000.03718.89
5.4.180.0000.03019.05
5.4.170.0000.03718.89
5.4.160.0000.03319.03
5.4.150.0030.03718.87
5.4.140.0030.04016.17
5.4.130.0030.06316.14
5.4.120.0000.06716.11
5.4.110.0030.07316.31
5.4.100.0030.07016.29
5.4.90.0030.07316.13
5.4.80.0000.06716.45
5.4.70.0000.07716.40
5.4.60.0030.06016.41
5.4.50.0030.03716.28
5.4.40.0000.06016.33
5.4.30.0000.07316.52
5.4.20.0030.07016.25
5.4.10.0030.04316.20
5.4.00.0070.06315.62
5.3.290.0000.03714.76
5.3.280.0030.03314.42
5.3.270.0000.03714.64
5.3.260.0000.06714.67
5.3.250.0000.04014.39
5.3.240.0000.03714.59
5.3.230.0000.06014.38
5.3.220.0070.06014.62
5.3.210.0030.07314.39
5.3.200.0070.06014.35
5.3.190.0000.03714.50
5.3.180.0030.04714.45
5.3.170.0000.06714.45
5.3.160.0000.04014.45
5.3.150.0030.07014.35
5.3.140.0000.06014.44
5.3.130.0000.05014.39
5.3.120.0000.03714.39
5.3.110.0000.07714.39
5.3.100.0000.06014.05
5.3.90.0000.03713.87
5.3.80.0070.04713.85
5.3.70.0000.06014.11
5.3.60.0070.06313.82
5.3.50.0000.07014.01
5.3.40.0000.07313.98
5.3.30.0030.03713.91
5.3.20.0070.03013.61
5.3.10.0030.05713.59
5.3.00.0030.03313.53
5.2.170.0000.06011.07
5.2.160.0000.03011.15
5.2.150.0030.05011.21
5.2.140.0030.02711.29
5.2.130.0000.02711.15
5.2.120.0000.03711.10
5.2.110.0000.03311.00
5.2.100.0000.03311.25
5.2.90.0070.03711.00
5.2.80.0000.05311.10
5.2.70.0000.03010.99
5.2.60.0030.06311.20
5.2.50.0030.03711.01
5.2.40.0030.07010.94
5.2.30.0030.04311.03
5.2.20.0030.03010.91
5.2.10.0070.02010.87
5.2.00.0000.04010.70
5.1.60.0000.03710.14
5.1.50.0030.02310.14
5.1.40.0030.02710.14
5.1.30.0000.05010.18
5.1.20.0000.03710.29
5.1.10.0000.04710.23
5.1.00.0030.05010.14
5.0.50.0030.04010.14
5.0.40.0000.03310.14
5.0.30.0000.04010.14
5.0.20.0000.03710.14
5.0.10.0030.01710.14
5.0.00.0000.05010.14
4.4.90.0000.01710.14
4.4.80.0000.02710.14
4.4.70.0000.01310.14
4.4.60.0030.01310.14
4.4.50.0000.01310.14
4.4.40.0000.03310.14
4.4.30.0030.01010.14
4.4.20.0000.03310.14
4.4.10.0000.02010.14
4.4.00.0000.05010.14
4.3.110.0000.01710.14
4.3.100.0000.03310.14
4.3.90.0000.01710.14
4.3.80.0000.05710.14
4.3.70.0030.02310.14
4.3.60.0000.02710.14
4.3.50.0000.01310.14
4.3.40.0000.02010.14
4.3.30.0000.02010.14
4.3.20.0000.02310.14
4.3.10.0000.03010.14
4.3.00.0000.03010.14

preferences:
47.37 ms | 401 KiB | 5 Q