3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match("/(\\\\[^{]|[^{])+/", str_repeat('X', 1023).'{#test}', $matches)); var_dump(preg_match("/(\\\\[^{]|[^{])+/", 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)
8.3.60.0170.00318.68
8.3.50.0110.00821.99
8.3.40.0000.01518.78
8.3.30.0110.00418.79
8.3.20.0080.00020.33
8.3.10.0080.00020.60
8.3.00.0080.00021.79
8.2.180.0140.00716.75
8.2.170.0110.00422.96
8.2.160.0070.00722.26
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00418.85
8.2.110.0000.01021.25
8.2.100.0070.00320.53
8.2.90.0060.00319.54
8.2.80.0000.00817.97
8.2.70.0080.00017.80
8.2.60.0000.00817.68
8.2.50.0060.00318.10
8.2.40.0050.00320.55
8.2.30.0000.00719.35
8.2.20.0050.00317.70
8.2.10.0020.00517.93
8.2.00.0000.00818.01
8.1.280.0040.01125.92
8.1.270.0100.01022.14
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0090.00022.19
8.1.230.0060.00618.96
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0000.00817.23
8.1.180.0050.00318.10
8.1.170.0080.00018.53
8.1.160.0000.00720.79
8.1.150.0040.00420.58
8.1.140.0040.00419.56
8.1.130.0040.00417.68
8.1.120.0070.00017.47
8.1.110.0040.00417.58
8.1.100.0070.00017.46
8.1.90.0050.00317.61
8.1.80.0030.00617.58
8.1.70.0000.00717.45
8.1.60.0050.00317.66
8.1.50.0040.00417.51
8.1.40.0040.00417.66
8.1.30.0040.00417.77
8.1.20.0000.00817.52
8.1.10.0040.00417.64
8.1.00.0080.00017.59
8.0.300.0040.00419.86
8.0.290.0080.00016.75
8.0.280.0020.00518.34
8.0.270.0030.00317.34
8.0.260.0040.00417.23
8.0.250.0030.00316.99
8.0.240.0030.00317.05
8.0.230.0030.00316.96
8.0.220.0070.00016.97
8.0.210.0000.00716.96
8.0.200.0040.00417.02
8.0.190.0000.00916.96
8.0.180.0070.00317.00
8.0.170.0050.00316.96
8.0.160.0000.00716.95
8.0.150.0030.00316.97
8.0.140.0040.00416.94
8.0.130.0060.00013.38
8.0.120.0060.00316.86
8.0.110.0000.00716.99
8.0.100.0000.00816.89
8.0.90.0000.00717.06
8.0.80.0060.00916.94
8.0.70.0040.00417.00
8.0.60.0040.00416.98
8.0.50.0040.00416.96
8.0.30.0080.00917.10
8.0.20.0090.01017.42
8.0.10.0000.00716.96
8.0.00.0110.01116.82
7.4.330.0050.00016.86
7.4.320.0000.00716.75
7.4.300.0000.00716.62
7.4.290.0030.00516.51
7.4.280.0040.00416.65
7.4.270.0030.00316.71
7.4.260.0040.00416.49
7.4.250.0000.00816.59
7.4.240.0070.00016.70
7.4.230.0070.00016.58
7.4.220.0090.00916.71
7.4.210.0060.01316.64
7.4.200.0030.00316.50
7.4.160.0040.01116.75
7.4.150.0120.00917.40
7.4.140.0070.01217.86
7.4.130.0090.00816.69
7.4.120.0130.00316.53
7.4.110.0140.00316.68
7.4.100.0110.01216.77
7.4.90.0100.00716.61
7.4.80.0070.01119.39
7.4.70.0130.00316.67
7.4.60.0040.01216.68
7.4.50.0030.01316.46
7.4.40.0140.00616.67
7.4.30.0030.01716.34
7.4.00.0070.01014.96
7.3.330.0000.00613.17
7.3.320.0000.00613.29
7.3.310.0030.00316.33
7.3.300.0000.00716.40
7.3.290.0100.00716.42
7.3.280.0050.01316.41
7.3.270.0170.00017.40
7.3.260.0140.00416.44
7.3.250.0130.00616.45
7.3.240.0080.00816.62
7.3.230.0090.01516.46
7.3.210.0040.01316.47
7.3.200.0100.00716.70
7.3.190.0150.00316.33
7.3.180.0080.00816.34
7.3.170.0000.01616.41
7.3.160.0120.00316.43
7.3.120.0060.01214.63
7.3.110.0110.00714.65
7.3.100.0060.01315.15
7.3.90.0090.00614.88
7.3.80.0040.01114.83
7.3.70.0000.00914.85
7.3.60.0040.01114.89
7.3.50.0030.00715.04
7.3.40.0120.00314.64
7.3.30.0030.00615.04
7.3.20.0000.01716.78
7.3.10.0080.00616.63
7.3.00.0070.00316.72
7.2.330.0130.00316.74
7.2.320.0070.01416.41
7.2.310.0090.00916.83
7.2.300.0110.00616.71
7.2.290.0130.00316.66
7.2.250.0140.00415.30
7.2.240.0000.01415.16
7.2.230.0030.01315.21
7.2.220.0110.00714.99
7.2.210.0070.00714.73
7.2.200.0030.00614.89
7.2.190.0030.01315.00
7.2.180.0090.00615.03
7.2.170.0000.01515.00
7.2.130.0060.00616.87
7.2.120.0030.00617.09
7.2.110.0040.00417.14
7.2.100.0040.01117.02
7.2.90.0040.01217.07
7.2.80.0040.00716.80
7.2.70.0030.00717.06
7.2.60.0080.00616.82
7.2.50.0070.00417.06
7.2.40.0040.00816.74
7.2.30.0070.00317.19
7.2.20.0110.00016.94
7.2.10.0040.00417.01
7.2.00.0060.00918.22
7.1.330.0070.00715.71
7.1.320.0070.00715.98
7.1.310.0110.00415.88
7.1.300.0120.00315.99
7.1.290.0100.00615.80
7.1.280.0030.00715.93
7.1.270.0070.00715.84
7.1.260.0100.00615.83
7.1.250.0030.00616.06
7.1.200.0030.00715.66
7.1.70.0000.00717.39
7.1.60.0070.00317.13
7.1.50.0200.01334.60
7.1.00.0030.07322.58
7.0.200.0030.01216.94
7.0.60.0070.08021.88
7.0.50.0100.04017.91
7.0.40.0070.04320.29
7.0.30.0400.06720.22
7.0.20.0300.06020.36
7.0.10.0100.03720.15
7.0.00.0030.08720.16
5.6.280.0000.03721.83
5.6.210.0070.08321.67
5.6.200.0100.03319.07
5.6.190.0100.08721.32
5.6.180.0270.06321.41
5.6.170.0300.06721.37
5.6.160.0130.07721.40
5.6.150.0100.04719.07
5.6.140.0100.05019.10
5.6.130.0030.08719.21
5.6.120.0100.08322.06
5.6.110.0130.03321.95
5.6.100.0070.09322.07
5.6.90.0000.09021.93
5.6.80.0030.06021.34
5.5.350.0370.07021.40
5.5.340.0130.03318.97
5.5.330.0000.09021.18
5.5.320.0530.04321.31
5.5.310.0230.08721.19
5.5.300.0000.09318.94
5.5.290.0100.07719.01
5.5.280.0100.08021.81
5.5.270.0030.08721.80
5.5.260.0070.06321.64
5.5.250.0100.07721.50
5.5.240.0170.06721.12

preferences:
34.4 ms | 401 KiB | 5 Q