3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = 'abc/{foo}/sdasd/{bar}'; $a = ['one', 'two']; $r = ''; do { $r = preg_replace('/\{*.\}/', array_shift($a), $s, 1); var_dump($r); } while ($r !== null); echo 'Done!';

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)
8.3.60.0060.00916.74
8.3.50.0110.00817.45
8.3.40.0030.01318.80
8.3.30.0250.00518.86
8.3.20.0120.00418.73
8.3.10.0100.00018.77
8.3.00.0130.00719.38
8.2.180.0100.01017.00
8.2.170.0180.00422.96
8.2.160.0130.00321.07
8.2.150.0040.00724.18
8.2.140.0060.00324.66
8.2.130.0150.00526.16
8.2.120.0030.00620.71
8.2.110.0030.00721.11
8.2.100.0120.01217.72
8.2.90.0000.01219.22
8.2.80.0040.00419.38
8.2.70.0080.00017.38
8.2.60.0060.00317.80
8.2.50.0030.00718.07
8.2.40.0060.00318.22
8.2.30.0080.00517.95
8.2.20.0070.00617.87
8.2.10.0080.00017.95
8.2.00.0000.01117.94
8.1.280.0240.00325.92
8.1.270.0080.00024.66
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0100.01422.45
8.1.230.0190.00020.88
8.1.220.0070.00317.77
8.1.210.0090.00018.87
8.1.200.0110.00017.35
8.1.190.0000.00817.40
8.1.180.0070.00418.10
8.1.170.0080.00018.74
8.1.160.0080.00018.98
8.1.150.0000.01018.83
8.1.140.0070.00017.47
8.1.130.0070.00017.89
8.1.120.0030.00617.61
8.1.110.0030.00617.60
8.1.100.0030.00517.61
8.1.90.0000.01117.59
8.1.80.0040.00417.51
8.1.70.0030.00617.60
8.1.60.0000.00817.75
8.1.50.0080.00417.62
8.1.40.0000.00717.58
8.1.30.0030.00717.75
8.1.20.0000.00817.60
8.1.10.0000.01317.71
8.1.00.0030.00517.70
8.0.300.0030.00619.78
8.0.290.0080.00516.75
8.0.280.0100.00518.34
8.0.270.0030.01017.06
8.0.260.0060.00618.32
8.0.250.0060.00316.91
8.0.240.0060.00616.84
8.0.230.0060.00316.99
8.0.220.0030.00916.78
8.0.210.0030.00616.89
8.0.200.0080.00016.90
8.0.190.0080.00316.98
8.0.180.0000.00816.82
8.0.170.0080.00816.92
8.0.160.0030.00716.78
8.0.150.0030.00716.82
8.0.140.0030.00616.90
8.0.130.0070.00713.44
8.0.120.0030.00616.76
8.0.110.0090.00016.86
8.0.100.0040.01316.91
8.0.90.0080.00416.84
8.0.80.0130.01716.88
8.0.70.0060.00316.79
8.0.60.0040.00916.86
8.0.50.0040.00416.91
8.0.30.0540.02417.00
8.0.20.0610.02817.12
8.0.10.0040.00916.92
8.0.00.0430.02716.77
7.4.330.0070.00313.21
7.4.320.0140.00016.67
7.4.300.0030.00616.77
7.4.290.0090.00016.59
7.4.280.0050.00516.60
7.4.270.0030.00616.71
7.4.260.0090.00413.55
7.4.250.0030.00616.47
7.4.240.0080.00316.61
7.4.230.0060.00316.62
7.4.220.0040.02816.64
7.4.210.0130.01416.65
7.4.200.0060.00616.75
7.4.190.0000.00916.49
7.4.160.0610.01816.31
7.4.150.0370.03016.66
7.4.140.0600.02016.59
7.4.130.0350.01916.62
7.4.120.0290.02516.43
7.4.110.0590.02716.52
7.4.100.0410.02016.39
7.4.90.0590.03016.48
7.4.80.0390.03119.39
7.4.70.0430.00716.61
7.4.60.0240.02016.79
7.4.50.0330.00516.59
7.4.40.0070.01016.30
7.4.30.0290.01516.40
7.4.00.0140.01414.85
7.3.330.0090.00513.20
7.3.320.0030.00613.18
7.3.310.0080.00416.25
7.3.300.0050.00316.21
7.3.290.0070.03316.23
7.3.280.0200.02316.24
7.3.270.0520.02216.49
7.3.260.0350.01816.32
7.3.250.0400.02816.38
7.3.240.0310.02416.47
7.3.230.0520.01216.32
7.3.210.0230.00916.41
7.3.200.1010.01916.81
7.3.190.0100.03816.45
7.3.180.0320.01616.55
7.3.170.0960.01716.35
7.3.160.0410.04116.23
7.3.120.0070.02314.75
7.3.10.0260.00716.45
7.3.00.0150.00616.46
7.2.330.0240.03116.61
7.2.320.0340.03016.63
7.2.310.0070.02816.51
7.2.300.0440.03716.70
7.2.290.0400.00616.52
7.2.130.0320.01116.57
7.2.120.0350.00616.50
7.2.110.0130.01016.24
7.2.100.0180.00916.48
7.2.90.0260.00916.63
7.2.80.0290.00716.67
7.2.70.0160.00516.40
7.2.60.0190.00816.81
7.2.50.0340.00316.45
7.2.40.0260.01616.46
7.2.30.0150.01216.82
7.2.20.0150.01116.59
7.2.10.0180.00716.57
7.2.00.0130.00817.98
7.1.250.0130.00415.57
7.1.200.0120.00015.85
7.1.100.0030.01318.57
7.1.70.0050.00517.13
7.1.60.0200.01719.40
7.1.50.0100.00317.24
7.0.200.0680.00314.79

preferences:
42.71 ms | 401 KiB | 5 Q