3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "@keyframes animationName1{0%{opacity: 0}100%{opacity:1}}div{opacity:0}@keyframes animationName2{0%{opacity: 0}100%{opacity:1}}"; $rx = '~([^{}]+)({(?:[^{}]++|(\g<2>))*})~'; if (preg_match_all($rx, $text, $m)) { print_r($m[0]); }

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)
8.4.140.0100.01118.04
8.4.130.0120.00817.86
8.4.120.0130.00720.77
8.4.110.0100.00820.10
8.4.100.0150.00718.05
8.4.90.0130.00820.28
8.4.80.0100.00919.09
8.4.70.0130.00819.14
8.4.60.0040.00520.61
8.4.50.0150.00518.11
8.4.40.0080.01119.71
8.4.30.0130.00620.17
8.4.20.0080.00818.71
8.4.10.0060.00317.89
8.3.260.0110.00916.67
8.3.250.0100.00918.73
8.3.240.0080.00416.52
8.3.230.0120.00716.77
8.3.220.0150.00318.89
8.3.210.0110.00816.81
8.3.200.0050.00316.44
8.3.190.0130.00517.15
8.3.180.0090.01020.69
8.3.170.0150.00316.80
8.3.160.0120.00616.66
8.3.150.0110.00717.17
8.3.140.0040.00416.51
8.3.130.0030.01718.28
8.3.120.0090.00018.71
8.3.110.0030.00716.63
8.3.100.0090.00016.63
8.3.90.0030.00626.77
8.3.80.0030.00616.63
8.3.70.0120.00918.43
8.3.60.0060.00916.48
8.3.50.0140.00418.39
8.3.40.0070.01418.95
8.3.30.0090.00619.02
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0040.00426.16
8.2.290.0090.00316.76
8.2.280.0140.00920.23
8.2.270.0100.01016.96
8.2.260.0090.00017.30
8.2.250.0040.00418.64
8.2.240.0130.00317.07
8.2.230.0040.00420.94
8.2.220.0060.00324.06
8.2.210.0130.00726.77
8.2.200.0070.00716.88
8.2.190.0070.00716.60
8.2.180.0040.01125.92
8.2.170.0100.01019.03
8.2.160.0030.01022.96
8.2.150.0070.00725.66
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00426.16
8.2.110.0050.00520.22
8.2.100.0060.00617.91
8.2.90.0060.00317.82
8.2.80.0050.00319.09
8.2.70.0100.00317.75
8.2.60.0050.00317.91
8.2.50.0040.00418.07
8.2.40.0030.00517.91
8.2.30.0080.00018.09
8.2.20.0090.00018.07
8.2.10.0020.00519.12
8.2.00.0030.00519.20
8.1.330.0120.00616.56
8.1.320.0080.01116.51
8.1.310.0080.00016.97
8.1.300.0030.00620.03
8.1.290.0110.00018.88
8.1.280.0120.00325.92
8.1.270.0080.00023.99
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0140.00323.76
8.1.230.0040.00820.84
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.47
8.1.190.0040.00417.35
8.1.180.0000.00819.17
8.1.170.0080.00018.86
8.1.160.0080.00018.77
8.1.150.0000.00818.85
8.1.140.0040.00419.08
8.1.130.0030.00317.60
8.1.120.0060.00317.52
8.1.110.0060.00317.55
8.1.100.0070.00017.50
8.1.90.0040.00417.54
8.1.80.0060.00317.55
8.1.70.0000.00717.60
8.1.60.0000.00817.58
8.1.50.0040.00417.65
8.1.40.0060.00317.50
8.1.30.0030.00617.64
8.1.20.0090.00017.80
8.1.10.0040.00417.63
8.1.00.0030.00617.51
8.0.300.0020.00518.77
8.0.290.0000.00816.75
8.0.280.0000.00718.32
8.0.270.0040.00417.98
8.0.260.0030.00316.96
8.0.250.0000.00617.05
8.0.240.0000.00717.03
8.0.230.0070.00016.95
8.0.220.0000.00616.96
8.0.210.0000.00716.91
8.0.200.0040.00417.10
8.0.190.0000.00817.02
8.0.180.0050.00217.02
8.0.170.0030.00616.97
8.0.160.0040.00416.97
8.0.150.0040.00416.91
8.0.140.0090.00316.91
8.0.130.0050.00013.45
8.0.120.0040.00416.95
8.0.110.0070.00016.95
8.0.100.0000.00716.84
8.0.90.0040.00417.02
8.0.80.0060.01216.95
8.0.70.0120.00317.00
8.0.60.0060.01316.87
8.0.50.0110.00716.89
8.0.30.0030.01416.97
8.0.20.0070.00716.99
8.0.10.0100.00316.98
8.0.00.0060.00917.05
7.4.330.0050.00016.80
7.4.320.0030.00316.65
7.4.300.0000.00616.75
7.4.290.0030.00316.59
7.4.280.0070.00016.64
7.4.270.0000.00716.80
7.4.260.0000.00513.44
7.4.250.0000.00816.67
7.4.240.0020.00616.71
7.4.230.0040.00416.73
7.4.220.0070.00016.47
7.4.210.0030.01016.83
7.4.200.0030.01016.83
7.4.190.0070.00716.72
7.4.180.0060.00916.77
7.4.160.0220.00316.77
7.4.150.0070.00716.88
7.4.140.0070.00716.71
7.4.130.0080.00516.63
7.4.120.0070.00716.64
7.4.110.0040.00916.56
7.4.100.0030.01016.75
7.4.90.0000.01316.55
7.4.80.0100.00316.73
7.4.70.0070.00716.66
7.4.60.0030.01016.74
7.4.50.0070.00716.54
7.4.40.0090.00616.63
7.4.30.0110.00316.55
7.4.20.0070.00716.50
7.4.10.0040.01116.55
7.4.00.0030.01116.64
7.3.330.0070.00016.27
7.3.320.0030.00313.25
7.3.310.0000.00716.32
7.3.300.0030.00316.34
7.3.290.0030.01016.30
7.3.280.0110.00416.30
7.3.270.0070.00716.30
7.3.260.0110.00316.37
7.3.250.0090.00616.31
7.3.240.0100.00916.34
7.3.230.0080.00616.29
7.3.220.0110.00316.32
7.3.210.0030.01016.29
7.3.200.0110.00316.25
7.3.190.0070.00716.32
7.3.180.0100.00316.32
7.3.170.0110.00316.33
7.3.160.0070.00716.31
7.3.150.0100.00316.26
7.3.140.0000.01316.23
7.3.130.0100.00316.28
7.3.120.0060.00616.29
7.3.110.0070.00716.27
7.3.100.0060.00816.26
7.3.90.0030.01016.67
7.3.80.0060.00616.39
7.3.70.0070.00716.35
7.3.60.0090.00616.43
7.3.50.0040.01116.41
7.3.40.0090.00416.43
7.3.30.0030.01016.47
7.3.20.0040.01116.42
7.3.10.0120.00316.44
7.3.00.0070.00716.39

preferences:
150.97 ms | 403 KiB | 5 Q