3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match("/\G([\\\\][{]|\\\\[^{]|[^{])+/", str_repeat('X', 1023).'{#test}', $matches)); var_dump(preg_match("/\G([\\\\][{]|\\\\[^{]|[^{])+/", str_repeat('X', 1024).'{#test}', $matches));

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)
8.3.60.0070.00718.43
8.3.50.0100.00618.18
8.3.40.0070.00718.80
8.3.30.0120.00618.84
8.3.20.0070.00020.33
8.3.10.0040.00420.48
8.3.00.0000.00721.73
8.2.180.0110.00718.43
8.2.170.0120.00922.96
8.2.160.0140.00022.21
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0050.00321.30
8.2.120.0040.00426.35
8.2.110.0000.00820.52
8.2.100.0040.00817.80
8.2.90.0040.00418.97
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0040.00417.68
8.2.50.0060.00318.09
8.2.40.0000.01020.58
8.2.30.0000.00719.41
8.2.20.0070.00017.80
8.2.10.0030.00517.89
8.2.00.0040.00417.97
8.1.280.0090.00625.92
8.1.270.0120.00922.14
8.1.260.0040.00428.09
8.1.250.0000.00728.09
8.1.240.0040.00422.17
8.1.230.0070.00417.63
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0000.00917.36
8.1.190.0030.00517.13
8.1.180.0080.00018.10
8.1.170.0080.00018.62
8.1.160.0000.00720.66
8.1.150.0030.00618.91
8.1.140.0000.00919.56
8.1.130.0030.00317.66
8.1.120.0000.00717.47
8.1.110.0000.00717.51
8.1.100.0080.00017.57
8.1.90.0050.00317.60
8.1.80.0000.00817.49
8.1.70.0070.00017.47
8.1.60.0050.00317.57
8.1.50.0080.00017.63
8.1.40.0000.00917.63
8.1.30.0000.00817.79
8.1.20.0050.00317.64
8.1.10.0080.00017.53
8.1.00.0000.00717.41
8.0.300.0000.00718.77
8.0.290.0000.00716.88
8.0.280.0000.00718.43
8.0.270.0070.00017.15
8.0.260.0000.00717.14
8.0.250.0040.00417.12
8.0.240.0000.00717.05
8.0.230.0000.00617.05
8.0.220.0030.00316.89
8.0.210.0040.00417.03
8.0.200.0000.00917.08
8.0.190.0040.00416.95
8.0.180.0000.01017.03
8.0.170.0040.00416.84
8.0.160.0000.00817.02
8.0.150.0040.00416.93
8.0.140.0000.00716.82
8.0.130.0000.00513.38
8.0.120.0000.00817.00
8.0.110.0000.00716.85
8.0.100.0030.00516.95
8.0.90.0040.00416.88
8.0.80.0110.00717.02
8.0.70.0070.00016.84
8.0.60.0040.00416.75
8.0.50.0020.00516.91
8.0.30.0040.01617.25
8.0.20.0110.00817.40
8.0.10.0040.00417.09
8.0.00.0100.00916.71
7.4.330.0000.00516.74
7.4.320.0030.00316.51
7.4.300.0030.00316.60
7.4.290.0070.00016.68
7.4.280.0080.00016.73
7.4.270.0000.00716.72
7.4.260.0080.00016.53
7.4.250.0000.00816.68
7.4.240.0070.00016.71
7.4.230.0000.00716.80
7.4.220.0120.00616.59
7.4.210.0110.00716.73
7.4.200.0070.00016.70
7.4.160.0120.00316.58
7.4.150.0070.01117.40
7.4.140.0080.01417.86
7.4.130.0080.00816.49
7.4.120.0130.00616.64
7.4.110.0120.00616.63
7.4.100.0120.00616.61
7.4.90.0110.00616.43
7.4.80.0110.01219.39
7.4.70.0070.01016.56
7.4.60.0060.01516.43
7.4.50.0100.00216.63
7.4.40.0090.01216.54
7.4.30.0110.00616.78
7.4.00.0060.00914.96
7.3.330.0030.00313.12
7.3.320.0050.00013.27
7.3.310.0000.00816.46
7.3.300.0000.00716.36
7.3.290.0050.01316.36
7.3.280.0090.00816.39
7.3.270.0100.00717.40
7.3.260.0130.02316.84
7.3.250.0120.00916.36
7.3.240.0080.00816.62
7.3.230.0170.01016.43
7.3.210.0060.01016.50
7.3.200.0090.00616.76
7.3.190.0090.00616.55
7.3.180.0160.00316.81
7.3.170.0060.01016.47
7.3.160.0100.00716.70
7.3.10.0060.00616.91
7.3.00.0150.00016.79
7.2.330.0090.00916.78
7.2.320.0130.01016.42
7.2.310.0110.00616.61
7.2.300.0090.00916.57
7.2.290.0150.00016.57
7.2.130.0030.01017.07
7.2.120.0030.01217.01
7.2.110.0030.01016.95
7.2.100.0100.00316.93
7.2.90.0030.01216.88
7.2.80.0030.01216.86
7.2.70.0030.01216.95
7.2.60.0100.00416.90
7.2.50.0030.01017.14
7.2.40.0070.00717.03
7.2.30.0070.01016.97
7.2.20.0120.00016.96
7.2.10.0070.00717.06
7.2.00.0030.01218.12
7.1.250.0030.01316.16
7.1.200.0100.00016.09
7.1.100.0130.00318.54
7.1.70.0040.00417.44
7.1.60.0080.00819.19
7.1.50.0090.01217.00
7.1.00.0000.08022.61
7.0.200.0640.00314.80
7.0.60.0130.07021.86
7.0.50.0070.07717.86
7.0.40.0130.05720.30
7.0.30.0270.04720.13
7.0.20.0270.07720.20
7.0.10.0130.06320.21
7.0.00.0100.07320.04
5.6.280.0070.04721.79
5.6.210.0130.06321.41
5.6.200.0100.03319.16
5.6.190.0070.09721.55
5.6.180.0470.04721.60
5.6.170.0130.05021.43
5.6.160.0100.08021.37
5.6.150.0100.07319.17
5.6.140.0100.07719.15
5.6.130.0100.04319.11
5.6.120.0030.07722.08
5.6.110.0100.04021.93
5.6.100.0100.05322.04
5.6.90.0130.06722.06
5.6.80.0030.04321.46
5.5.350.0270.08321.34
5.5.340.0070.07318.90
5.5.330.0070.08021.35
5.5.320.0400.04321.27
5.5.310.0370.07321.28
5.5.300.0170.05718.95
5.5.290.0100.08318.95
5.5.280.0100.05021.73
5.5.270.0070.06721.84
5.5.260.0070.07321.82
5.5.250.0100.08021.54
5.5.240.0030.05021.23

preferences:
43.31 ms | 400 KiB | 5 Q