3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = ['1']; $pattern = '/\d/'; $replace = '$0'; var_export(preg_filter($pattern, $replace, $subject)); echo "\n---\n"; $result = preg_replace($pattern, $replace, $subject); $preg_filter_similar = array_diff($result, $subject); var_export($preg_filter_similar);

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)
8.5.30.0020.00619.62
8.5.20.0120.00520.24
8.5.10.0090.00916.95
8.5.00.0080.01219.73
8.4.180.0140.00819.48
8.4.170.0160.00620.43
8.4.160.0040.00622.21
8.4.150.0060.00516.90
8.4.140.0110.01017.69
8.4.130.0060.00218.01
8.4.120.0120.00923.81
8.4.110.0090.01022.30
8.4.100.0130.00718.96
8.4.90.0100.01018.71
8.4.80.0070.00718.61
8.4.70.0110.00817.98
8.4.60.0130.00919.02
8.4.50.0200.01120.31
8.4.40.0110.00819.71
8.4.30.0160.00318.72
8.4.20.0100.00719.68
8.4.10.0190.00019.52
8.3.300.0100.01020.93
8.3.290.0070.01420.88
8.3.280.0090.01218.23
8.3.270.0120.01016.76
8.3.260.0080.00616.54
8.3.250.0130.00618.82
8.3.240.0050.00517.24
8.3.230.0090.00616.79
8.3.220.0060.00218.67
8.3.210.0130.00716.71
8.3.200.0050.00416.43
8.3.190.0060.00317.13
8.3.180.0040.00417.17
8.3.170.0040.01518.84
8.3.160.0060.01217.01
8.3.150.0090.00917.14
8.3.140.0000.00816.69
8.3.130.0050.00518.29
8.3.120.0100.00320.55
8.3.110.0070.00720.94
8.3.100.0000.01424.06
8.3.90.0140.00726.77
8.3.80.0040.00418.31
8.3.70.0070.01118.55
8.3.60.0060.01016.32
8.3.50.0080.00816.65
8.3.40.0140.00719.96
8.3.30.0090.00919.09
8.3.20.0160.00321.69
8.3.10.0110.00721.71
8.3.00.0100.01020.72
8.2.300.0110.00821.84
8.2.290.0170.00120.06
8.2.280.0070.01318.30
8.2.270.0150.00418.87
8.2.260.0070.00316.88
8.2.250.0080.00016.86
8.2.240.0030.00618.91
8.2.230.0070.00322.58
8.2.220.0050.00537.54
8.2.210.0180.00026.77
8.2.200.0060.00316.63
8.2.190.0190.00316.58
8.2.180.0110.00718.54
8.2.170.0130.00618.91
8.2.160.0180.00020.10
8.2.150.0160.00419.05
8.2.140.0070.01120.47
8.2.130.0120.00620.52
8.2.120.0110.00719.27
8.2.110.0090.00919.26
8.2.100.0130.00619.16
8.2.90.0160.00318.95
8.2.80.0150.00419.40
8.2.70.0180.00318.90
8.2.60.0080.01118.97
8.2.50.0150.00019.02
8.2.40.0040.01219.08
8.2.30.0070.01018.88
8.2.20.0100.00618.52
8.2.10.0060.01018.64
8.2.00.0130.00320.68
8.1.340.0100.01117.84
8.1.330.0100.00821.85
8.1.320.0050.00516.38
8.1.310.0030.00518.66
8.1.300.0130.00619.81
8.1.290.0100.00030.84
8.1.280.0140.00425.92
8.1.270.0110.00322.19
8.1.260.0000.01521.99
8.1.250.0040.01122.05
8.1.240.0160.00018.60
8.1.230.0160.00018.74
8.1.220.0040.01218.86
8.1.210.0030.01318.56
8.1.200.0110.00418.68
8.1.190.0090.00618.57
8.1.180.0040.01218.51
8.1.170.0120.00318.79
8.1.160.0120.00318.62
8.1.150.0110.00418.74
8.1.140.0120.00318.66
8.1.130.0060.00918.63
8.1.120.0090.00618.68
8.1.110.0200.00018.61
8.1.100.0110.01119.86
8.1.90.0100.01018.64
8.1.80.0090.00619.73
8.1.70.0100.00718.73
8.1.60.0000.01718.70
8.1.50.0100.01018.49
8.1.40.0120.00618.75
8.1.30.0060.01218.93
8.1.20.0090.00620.05
8.1.10.0150.00018.81
8.1.00.0070.00718.56

preferences:
46.1 ms | 982 KiB | 5 Q