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)
8.3.60.0130.00718.43
8.3.50.0110.01022.11
8.3.40.0110.00419.05
8.3.30.0040.01118.79
8.3.20.0000.00818.77
8.3.10.0000.00820.91
8.3.00.0080.00021.82
8.2.180.0030.01016.50
8.2.170.0040.01122.96
8.2.160.0030.01022.39
8.2.150.0000.00824.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0040.00419.79
8.2.110.0030.00620.52
8.2.100.0040.00817.85
8.2.90.0030.00519.13
8.2.80.0050.00318.04
8.2.70.0000.00817.75
8.2.60.0040.00417.93
8.2.50.0060.00318.07
8.2.40.0040.00418.34
8.2.30.0000.00821.20
8.2.20.0000.00717.68
8.2.10.0000.00717.82
8.2.00.0030.00617.71
8.1.280.0140.00725.92
8.1.270.0040.00423.99
8.1.260.0000.00926.35
8.1.250.0000.00828.09
8.1.240.0030.00622.06
8.1.230.0070.00420.91
8.1.220.0000.00918.77
8.1.210.0040.00418.82
8.1.200.0040.00417.36
8.1.190.0030.00517.40
8.1.180.0000.00818.10
8.1.170.0080.00018.80
8.1.160.0040.00418.75
8.1.150.0040.00418.59
8.1.140.0080.00017.54
8.1.130.0030.00317.85
8.1.120.0090.00017.55
8.1.110.0050.00317.48
8.1.100.0030.00617.56
8.1.90.0000.00817.47
8.1.80.0040.00317.58
8.1.70.0030.00317.50
8.1.60.0000.00817.67
8.1.50.0080.00017.60
8.1.40.0060.00317.62
8.1.30.0050.00317.66
8.1.20.0030.00617.75
8.1.10.0000.00817.55
8.1.00.0000.00717.63
8.0.300.0070.00019.90
8.0.290.0000.00717.05
8.0.280.0000.00718.47
8.0.270.0040.00417.14
8.0.260.0070.00017.02
8.0.250.0000.00817.07
8.0.240.0040.00417.10
8.0.230.0000.00816.96
8.0.220.0000.01016.98
8.0.210.0000.00716.99
8.0.200.0000.00716.99
8.0.190.0000.00716.90
8.0.180.0080.00016.87
8.0.170.0000.00817.02
8.0.160.0000.00917.02
8.0.150.0070.00016.98
8.0.140.0060.00316.95
8.0.130.0050.00013.29
8.0.120.0040.00416.94
8.0.110.0040.00416.82
8.0.100.0080.00016.77
8.0.90.0000.00816.81
8.0.80.0080.00616.98
8.0.70.0040.00416.79
8.0.60.0080.00016.80
8.0.50.0050.00217.08
8.0.30.0100.00917.01
8.0.20.0110.01017.40
8.0.10.0000.00817.15
8.0.00.0040.01316.77
7.4.330.0030.00314.93
7.4.320.0030.00316.71
7.4.300.0030.00316.78
7.4.290.0040.00416.58
7.4.280.0000.00816.68
7.4.270.0070.00016.55
7.4.260.0030.00313.36
7.4.250.0000.00716.51
7.4.240.0030.00316.54
7.4.230.0000.00816.49
7.4.220.0070.01216.63
7.4.210.0100.00716.67
7.4.200.0030.00316.72
7.4.190.0000.00716.54
7.4.160.0140.00716.62
7.4.150.0080.00917.40
7.4.140.0120.00717.86
7.4.130.0140.00416.53
7.4.120.0070.01116.58
7.4.110.0070.01016.75
7.4.100.0160.00316.62
7.4.90.0120.00616.71
7.4.80.0100.00719.37
7.4.70.0100.00716.60
7.4.60.0030.01416.76
7.4.50.0030.00616.69
7.4.40.0050.00722.52
7.4.30.0170.00416.75
7.4.00.0140.00314.74
7.3.330.0000.00513.23
7.3.320.0120.00013.26
7.3.310.0060.00316.36
7.3.300.0030.00316.23
7.3.290.0090.00616.24
7.3.280.0090.00816.31
7.3.270.0120.01217.40
7.3.260.0110.01218.24
7.3.250.0090.01116.33
7.3.240.0030.01316.50
7.3.230.0030.01216.59
7.3.210.0120.00616.32
7.3.200.0100.00719.39
7.3.190.0150.00416.61
7.3.180.0120.00316.50
7.3.170.0100.00716.27
7.3.160.0040.01116.37
7.3.120.0000.01514.91
7.2.330.0110.00616.67
7.2.320.0070.01116.68
7.2.310.0100.01316.55
7.2.300.0110.01116.57
7.2.290.0090.01516.62
7.2.00.0060.00619.48
7.1.100.0000.01118.31
7.1.70.0030.01317.17
7.1.60.0070.01619.40
7.1.50.0070.01716.89
7.1.00.0000.03722.30
7.0.200.0000.00816.75
7.0.140.0100.06721.90
7.0.100.0030.05019.83
7.0.90.0070.04019.82
7.0.80.0000.04319.83
7.0.70.0100.07719.88
7.0.60.0130.07719.82
7.0.50.0130.07720.25
7.0.40.0070.09019.94
7.0.30.0100.07720.09
7.0.20.0070.09020.04
7.0.10.0000.07720.07
7.0.00.0070.08720.02
5.6.280.0100.06721.10
5.6.250.0070.04320.48
5.6.240.0030.04020.64
5.6.230.0070.07320.54
5.6.220.0000.08720.59
5.6.210.0000.09020.52
5.6.200.0170.07721.02
5.6.190.0070.08320.97
5.6.180.0200.05720.95
5.6.170.0230.06021.04
5.6.160.0170.07320.98
5.6.150.0000.08320.99
5.6.140.0100.08720.96
5.6.130.0200.04321.11
5.6.120.0100.05721.00
5.6.110.0100.08720.88
5.6.100.0200.07320.95
5.6.90.0170.07720.97
5.6.80.0030.08320.35
5.6.70.0070.07720.43
5.6.60.0130.07020.27
5.6.50.0100.06320.38
5.6.40.0230.07320.38
5.6.30.0130.04320.44
5.6.20.0070.05020.41
5.6.10.0070.07320.31
5.6.00.0230.06020.45
5.5.380.0030.04020.50
5.5.370.0100.05320.48
5.5.360.0100.06320.28
5.5.350.0030.08020.39
5.5.340.0100.08020.67
5.5.330.0130.06720.86
5.5.320.0130.08020.83
5.5.310.0170.06320.66
5.5.300.0200.07020.81
5.5.290.0070.06720.86
5.5.280.0170.07720.70
5.5.270.0070.08720.68
5.5.260.0100.07720.80
5.5.250.0130.04720.65
5.5.240.0070.08020.06
5.5.230.0000.08720.21
5.5.220.0000.05320.21
5.5.210.0070.08320.21
5.5.200.0100.07320.21
5.5.190.0070.05320.08
5.5.180.0030.08720.09
5.5.160.0030.04720.07
5.5.150.0100.06020.08
5.5.140.0170.05720.04
5.5.130.0100.03720.15
5.5.120.0100.04320.11
5.5.110.0130.07020.00
5.5.100.0070.08020.06
5.5.90.0130.07720.02
5.5.80.0000.08719.91
5.5.70.0070.05019.99
5.5.60.0130.06320.08
5.5.50.0070.07319.99
5.5.40.0000.04719.93
5.5.30.0170.06320.08
5.5.20.0030.05020.02
5.5.10.0070.07019.97
5.5.00.0070.08020.03
5.4.450.0070.08019.14
5.4.440.0070.07719.35
5.4.430.0030.08719.36
5.4.420.0030.05719.30
5.4.410.0100.07019.17
5.4.400.0070.07718.91
5.4.390.0030.05019.10
5.4.380.0030.07318.96
5.4.370.0070.07019.10
5.4.360.0070.08019.04
5.4.350.0000.08718.90
5.4.340.0070.08019.10
5.4.320.0200.06318.78
5.4.310.0070.07719.11
5.4.300.0170.06719.05
5.4.290.0030.08018.78
5.4.280.0030.04019.04
5.4.270.0000.08718.81
5.4.260.0100.08319.14
5.4.250.0070.04718.96
5.4.240.0000.08718.89
5.4.230.0200.06318.99
5.4.220.0030.07318.82
5.4.210.0030.04718.80
5.4.200.0100.08019.09
5.4.190.0130.06718.93
5.4.180.0070.08018.97
5.4.170.0130.06719.22
5.4.160.0030.07719.10
5.4.150.0070.07719.00
5.4.140.0100.06716.30
5.4.130.0100.07016.36
5.4.120.0170.06716.31
5.4.110.0070.06316.26
5.4.100.0100.06716.38
5.4.90.0100.07316.21
5.4.80.0100.07016.42
5.4.70.0100.07316.36
5.4.60.0130.06716.38
5.4.50.0100.04716.39
5.4.40.0070.07716.42
5.4.30.0030.06316.18
5.4.20.0030.08016.38
5.4.10.0000.08016.38
5.4.00.0170.06015.66
5.3.290.0100.07314.67
5.3.280.0030.05714.50
5.3.270.0100.06714.47
5.3.260.0070.07714.59
5.3.250.0070.05714.56
5.3.240.0030.07014.59
5.3.230.0000.09014.46
5.3.220.0070.06314.43
5.3.210.0100.07314.57
5.3.200.0070.07314.50
5.3.190.0070.07714.47
5.3.180.0070.08014.52
5.3.170.0000.08014.38
5.3.160.0100.07014.52
5.3.150.0070.07314.42
5.3.140.0100.04314.52
5.3.130.0100.06714.48
5.3.120.0030.04714.45
5.3.110.0100.07314.55
5.3.100.0070.07313.89
5.3.90.0070.07013.99
5.3.80.0070.07713.97
5.3.70.0070.05713.97
5.3.60.0100.03313.91
5.3.50.0170.05013.92
5.3.40.0030.04313.80
5.3.30.0000.07313.89
5.3.20.0130.06713.63
5.3.10.0130.06313.44
5.3.00.0100.06313.50
5.2.170.0070.06011.12
5.2.160.0070.04711.13
5.2.150.0030.06311.19
5.2.140.0070.04311.17
5.2.130.0070.05710.88
5.2.120.0070.06011.07
5.2.110.0000.03711.09
5.2.100.0000.05311.14
5.2.90.0100.05310.93
5.2.80.0030.05310.92
5.2.70.0030.03711.08
5.2.60.0070.05710.84
5.2.50.0100.06010.85
5.2.40.0070.05310.83
5.2.30.0070.06311.02
5.2.20.0000.06310.85
5.2.10.0100.05010.84
5.2.00.0070.05710.61
5.1.60.0030.0479.87
5.1.50.0000.04710.05
5.1.40.0070.05010.04
5.1.30.0030.05710.45
5.1.20.0030.05710.36
5.1.10.0070.02710.14
5.1.00.0070.05010.12
5.0.50.0070.0438.38
5.0.40.0030.0238.26
5.0.30.0070.0578.30
5.0.20.0030.0408.03
5.0.10.0030.0438.00
5.0.00.0030.0608.17
4.4.90.0030.0377.42
4.4.80.0000.0377.42
4.4.70.0030.0207.42
4.4.60.0000.0237.42
4.4.50.0000.0237.42
4.4.40.0070.0477.42
4.4.30.0030.0337.42
4.4.20.0000.0337.42
4.4.10.0000.0237.42
4.4.00.0000.0577.42
4.3.110.0070.0277.42
4.3.100.0000.0377.42
4.3.90.0100.0277.42
4.3.80.0000.0477.42
4.3.70.0000.0377.42
4.3.60.0100.0277.42
4.3.50.0000.0377.42
4.3.40.0000.0337.42
4.3.30.0000.0377.42
4.3.20.0030.0177.42
4.3.10.0070.0307.42
4.3.00.0000.0237.42

preferences:
43.13 ms | 401 KiB | 5 Q