3v4l.org

run code in 300+ PHP versions simultaneously
<?php $content= <<<'DATA' ## Section title Lorem ipsum *dolores* sic amet. $E = mc^2$, and since : $$ \cos(3*\pi*\sqrt{2}) = \delta $$ DATA; $content = preg_replace_callback( '/^\$+(?:\R(?!\$+$).*)*\R\$+$(*SKIP)(*FAIL)|([*_])((?:(?!\1).)+)\1/m', function ($m) { return "<i>" . $m[2] . "</i>"; }, $content ); echo $content;

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)
8.3.60.0070.01018.56
8.3.50.0110.00318.62
8.3.40.0090.00619.23
8.3.30.0110.00419.09
8.3.20.0080.00024.18
8.3.10.0000.00824.66
8.3.00.0040.00426.16
8.2.180.0040.01525.92
8.2.170.0130.00719.11
8.2.160.0070.00722.96
8.2.150.0140.00425.66
8.2.140.0020.00524.66
8.2.130.0000.00726.16
8.2.120.0040.00419.97
8.2.110.0060.00321.01
8.2.100.0090.00318.09
8.2.90.0040.00417.88
8.2.80.0030.00517.97
8.2.70.0060.00317.75
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0050.00518.28
8.2.30.0000.00818.28
8.2.20.0000.00718.11
8.2.10.0000.00819.44
8.2.00.0040.00419.29
8.1.280.0030.01625.92
8.1.270.0090.00023.83
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0100.00021.11
8.1.230.0080.00319.61
8.1.220.0040.00417.78
8.1.210.0030.00618.77
8.1.200.0030.00617.47
8.1.190.0050.00317.60
8.1.180.0000.00918.10
8.1.170.0060.00318.68
8.1.160.0030.00518.92
8.1.150.0020.00518.90
8.1.140.0000.00718.93
8.1.130.0030.00320.21
8.1.120.0050.00217.63
8.1.110.0080.00017.62
8.1.100.0040.00717.60
8.1.90.0040.00417.55
8.1.80.0050.00217.59
8.1.70.0030.00317.51
8.1.60.0060.00617.73
8.1.50.0090.00017.71
8.1.40.0000.00817.59
8.1.30.0040.00417.89
8.1.20.0080.00017.69
8.1.10.0100.00017.69
8.1.00.0030.00617.66
8.0.300.0040.00418.77
8.0.290.0060.00317.00
8.0.280.0020.00518.44
8.0.270.0040.00418.23
8.0.260.0060.00018.49
8.0.250.0040.00417.08
8.0.240.0000.00717.09
8.0.230.0000.00717.20
8.0.220.0050.00217.20
8.0.210.0000.00817.10
8.0.200.0070.00017.18
8.0.190.0070.00017.15
8.0.180.0070.00417.12
8.0.170.0050.00317.16
8.0.160.0040.00417.05
8.0.150.0070.00317.11
8.0.140.0050.00316.97
8.0.130.0030.00313.59
8.0.120.0080.00017.15
8.0.110.0000.00817.08
8.0.100.0040.00417.14
8.0.90.0040.00317.25
8.0.80.0130.00517.19
8.0.70.0040.00417.20
8.0.60.0000.00717.22
8.0.50.0080.00017.19
8.0.30.0060.01217.21
8.0.20.0060.01217.27
8.0.10.0100.00917.10
8.0.00.0110.00717.26
7.4.330.0050.00015.55
7.4.320.0060.00016.77
7.4.300.0040.00416.80
7.4.290.0000.00716.66
7.4.280.0030.00616.79
7.4.270.0040.00416.90
7.4.260.0030.00313.59
7.4.250.0030.00316.84
7.4.240.0100.00016.93
7.4.230.0040.00416.78
7.4.220.0070.00016.72
7.4.210.0070.00716.79
7.4.200.0000.00716.77
7.4.150.0100.00716.59
7.4.140.0040.01316.91
7.4.130.0100.00716.69
7.4.120.0130.00716.50
7.4.110.0090.00916.67
7.4.100.0130.00316.45
7.4.90.0120.00616.53
7.4.80.0090.00916.70
7.4.70.0100.00716.72
7.4.60.0040.01316.80
7.4.50.0060.01216.45
7.4.40.0070.01116.69
7.4.30.0090.00916.36
7.4.20.0090.00916.71
7.4.10.0120.00616.64
7.4.00.0100.00616.64
7.3.330.0040.00416.48
7.3.320.0000.00513.57
7.3.310.0030.00316.62
7.3.300.0060.00016.48
7.3.290.0090.01016.48
7.3.270.0130.00316.56
7.3.260.0100.00716.69
7.3.250.0100.01016.55
7.3.240.0140.00716.52
7.3.230.0090.00916.75
7.3.220.0080.00816.56
7.3.210.0030.01316.82
7.3.200.0100.00716.60
7.3.190.0050.01116.63
7.3.180.0070.01016.55
7.3.170.0100.00616.56
7.3.160.0100.00716.61
7.3.150.0160.00316.93
7.3.140.0140.00316.47
7.3.130.0070.01116.72
7.3.120.0050.01116.65
7.3.110.0110.00716.55
7.3.100.0080.00816.57
7.3.90.0030.01416.74
7.3.80.0070.01116.70
7.3.70.0080.00816.63
7.3.60.0120.00416.81
7.3.50.0060.01016.62
7.3.40.0060.00916.48
7.3.30.0070.01016.58
7.3.20.0190.01016.59
7.3.10.0110.00716.75
7.3.00.0210.00316.60

preferences:
59.37 ms | 400 KiB | 5 Q