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)
8.3.60.0060.00918.55
8.3.50.0080.01022.03
8.3.40.0170.00318.92
8.3.30.0070.00718.85
8.3.20.0040.00420.36
8.3.10.0080.00020.65
8.3.00.0040.00421.85
8.2.180.0140.00716.38
8.2.170.0100.00722.96
8.2.160.0110.00322.18
8.2.150.0060.00325.66
8.2.140.0000.00824.66
8.2.130.0050.00319.19
8.2.120.0050.00326.35
8.2.110.0140.00722.23
8.2.100.0060.00617.80
8.2.90.0080.00019.09
8.2.80.0000.00917.97
8.2.70.0030.00617.63
8.2.60.0040.00417.78
8.2.50.0000.00818.09
8.2.40.0030.00620.26
8.2.30.0000.00719.35
8.2.20.0040.00417.62
8.2.10.0040.00417.85
8.2.00.0020.00517.91
8.1.280.0060.01025.92
8.1.270.0190.00022.06
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0090.00022.02
8.1.230.0060.00617.77
8.1.220.0030.00517.74
8.1.210.0060.00318.77
8.1.200.0060.00317.47
8.1.190.0050.00317.22
8.1.180.0050.00318.10
8.1.170.0030.00518.82
8.1.160.0030.00520.73
8.1.150.0050.00520.61
8.1.140.0000.00819.46
8.1.130.0000.00817.68
8.1.120.0040.00417.46
8.1.110.0000.00717.62
8.1.100.0000.00817.53
8.1.90.0030.00517.52
8.1.80.0030.00517.48
8.1.70.0030.00317.53
8.1.60.0000.00817.57
8.1.50.0050.00317.53
8.1.40.0040.00417.59
8.1.30.0000.00817.74
8.1.20.0050.00217.62
8.1.10.0030.00617.62
8.1.00.0040.00417.53
8.0.300.0030.00518.77
8.0.290.0070.00016.75
8.0.280.0070.00018.42
8.0.270.0050.00317.29
8.0.260.0070.00017.14
8.0.250.0000.00717.05
8.0.240.0030.00316.95
8.0.230.0030.00317.06
8.0.220.0000.00717.03
8.0.210.0030.00316.88
8.0.200.0050.00516.92
8.0.190.0000.00717.09
8.0.180.0030.00717.00
8.0.170.0080.00016.95
8.0.160.0030.00316.95
8.0.150.0000.00816.95
8.0.140.0040.00416.85
8.0.130.0000.00613.41
8.0.120.0030.00516.94
8.0.110.0050.00316.95
8.0.100.0030.00516.88
8.0.90.0000.00916.92
8.0.80.0110.00416.91
8.0.70.0040.00416.92
8.0.60.0000.00716.80
8.0.50.0050.00216.80
8.0.30.0090.00817.24
8.0.20.0100.01117.41
8.0.10.0070.00016.93
8.0.00.0070.01016.95
7.4.330.0000.00516.69
7.4.320.0030.00316.63
7.4.300.0070.00016.52
7.4.290.0070.00016.72
7.4.280.0070.00016.65
7.4.270.0020.00516.63
7.4.260.0030.00616.45
7.4.250.0050.00316.64
7.4.240.0030.00316.55
7.4.230.0070.00016.51
7.4.220.0180.00616.70
7.4.210.0000.01816.61
7.4.200.0040.00416.61
7.4.160.0030.01116.66
7.4.150.0090.00817.40
7.4.140.0100.00817.86
7.4.130.0050.01216.67
7.4.120.0110.00816.68
7.4.110.0100.00716.67
7.4.100.0070.01416.51
7.4.90.0090.00916.70
7.4.80.0110.00619.39
7.4.70.0190.00016.42
7.4.60.0100.00616.43
7.4.50.0100.00616.52
7.4.40.0150.00816.61
7.4.30.0070.01016.76
7.4.00.0060.00914.92
7.3.330.0030.00313.16
7.3.320.0060.00013.25
7.3.310.0000.00716.45
7.3.300.0000.00716.36
7.3.290.0080.00816.36
7.3.280.0050.01216.37
7.3.270.0070.01117.40
7.3.260.0060.01016.45
7.3.250.0130.00516.49
7.3.240.0050.01216.40
7.3.230.0060.01216.44
7.3.210.0060.01316.43
7.3.200.0050.01216.41
7.3.190.0140.00316.55
7.3.180.0150.00416.23
7.3.170.0110.00616.60
7.3.160.0070.00716.36
7.3.120.0120.00314.64
7.3.110.0030.00914.86
7.3.100.0070.01014.75
7.3.90.0070.00714.83
7.3.80.0040.01115.14
7.3.70.0000.01414.75
7.3.60.0100.00314.74
7.3.50.0040.01114.81
7.3.40.0070.01114.44
7.3.30.0030.01014.80
7.3.20.0120.00316.66
7.3.10.0110.00016.55
7.3.00.0050.00516.76
7.2.330.0060.01216.83
7.2.320.0170.00316.61
7.2.310.0030.01516.63
7.2.300.0110.00616.41
7.2.290.0070.01416.82
7.2.240.0110.00715.35
7.2.230.0070.00715.27
7.2.220.0080.00415.28
7.2.210.0030.01015.25
7.2.200.0070.00715.32
7.2.190.0030.00914.93
7.2.180.0060.00314.95
7.2.170.0100.00615.14
7.2.160.0040.00815.07
7.2.150.0030.00916.82
7.2.140.0000.01516.85
7.2.130.0100.00317.10
7.2.120.0000.01216.97
7.2.110.0130.00317.17
7.2.100.0100.00716.92
7.2.90.0090.00317.21
7.2.80.0070.00716.87
7.2.70.0030.01017.08
7.2.60.0050.00816.95
7.2.50.0110.00417.00
7.2.40.0080.00816.73
7.2.30.0070.00716.88
7.2.20.0060.00916.95
7.2.10.0080.00816.65
7.2.00.0040.00818.18
7.1.330.0070.00715.89
7.1.320.0030.00715.74
7.1.310.0120.00415.93
7.1.300.0100.00315.77
7.1.290.0040.00715.82
7.1.280.0090.00615.80
7.1.270.0030.01015.70
7.1.260.0030.00916.00
7.1.250.0090.00016.14
7.1.200.0090.00615.84
7.1.100.0090.00618.18
7.1.70.0030.00617.29
7.1.60.0130.01019.19
7.1.50.0000.02217.07
7.1.00.0070.07022.49
7.0.200.0380.00314.70
7.0.60.0170.08021.73
7.0.50.0100.04717.71
7.0.40.0130.05720.00
7.0.30.0400.06020.23
7.0.20.0400.04720.13
7.0.10.0070.08720.21
7.0.00.0100.04320.21
5.6.280.0000.03722.10
5.6.210.0070.08021.50
5.6.200.0030.04319.09
5.6.190.0070.08721.60
5.6.180.0230.07021.28
5.6.170.0270.07021.47
5.6.160.0070.04021.43
5.6.150.0030.04319.17
5.6.140.0000.04319.13
5.6.130.0100.08019.10
5.6.120.0130.07721.95
5.6.110.0130.06021.96
5.6.100.0070.05721.91
5.6.90.0130.08022.04
5.6.80.0070.06021.36
5.5.350.0270.07721.46
5.5.340.0070.08318.93
5.5.330.0070.04321.37
5.5.320.0570.05721.28
5.5.310.0130.09321.25
5.5.300.0070.04718.94
5.5.290.0070.08019.00
5.5.280.0100.08321.93
5.5.270.0070.07021.72
5.5.260.0030.09021.69
5.5.250.0070.08021.67
5.5.240.0100.03021.18

preferences:
44.52 ms | 401 KiB | 5 Q