3v4l.org

run code in 500+ PHP versions simultaneously
<?php $str = '<p>"bla" bla</p>'; echo preg_replace( '~<p>\W*\K\w~', '<span class="first_letter">$0</span>', $str );

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)
8.5.30.0110.00719.23
8.5.20.0110.00820.38
8.5.10.0100.00720.14
8.5.00.0130.00920.17
8.4.180.0090.01221.88
8.4.170.0150.00823.91
8.4.160.0120.00923.68
8.4.150.0070.00516.97
8.4.140.0110.01117.65
8.4.130.0120.00717.86
8.4.120.0120.00324.18
8.4.110.0120.00823.93
8.4.100.0130.00718.95
8.4.90.0130.00718.95
8.4.80.0130.00718.61
8.4.70.0110.00920.02
8.4.60.0150.00618.71
8.4.50.0120.00618.80
8.4.40.0090.00920.41
8.4.30.0130.00618.89
8.4.20.0160.00020.56
8.4.10.0060.00322.37
8.3.300.0100.01020.92
8.3.290.0070.01220.88
8.3.280.0120.01318.63
8.3.270.0130.00616.79
8.3.260.0130.00716.87
8.3.250.0090.00918.71
8.3.240.0040.00417.00
8.3.230.0100.00916.40
8.3.220.0080.00720.80
8.3.210.0110.00716.61
8.3.200.0040.00416.63
8.3.190.0120.00616.88
8.3.180.0110.00717.15
8.3.170.0060.00922.59
8.3.160.0120.00617.01
8.3.150.0100.01016.94
8.3.140.0110.00416.54
8.3.130.0040.00418.36
8.3.120.0120.00620.63
8.3.110.0090.00020.94
8.3.100.0040.00416.51
8.3.90.0100.01016.62
8.3.80.0100.00018.30
8.3.70.0070.00716.50
8.3.60.0130.00618.55
8.3.50.0110.01118.58
8.3.40.0140.00720.26
8.3.30.0070.01018.55
8.3.20.0050.00324.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.300.0120.01018.14
8.2.290.0090.00920.72
8.2.280.0140.00718.48
8.2.270.0080.00016.96
8.2.260.0060.01216.82
8.2.250.0040.00416.73
8.2.240.0130.00318.97
8.2.230.0040.00422.58
8.2.220.0060.00324.06
8.2.210.0110.00326.77
8.2.200.0070.00316.75
8.2.190.0000.01516.58
8.2.180.0140.00416.75
8.2.170.0090.01218.96
8.2.160.0100.01022.96
8.2.150.0040.00425.66
8.2.140.0030.00524.66
8.2.130.0100.00026.16
8.2.120.0040.00420.94
8.2.110.0090.00022.41
8.2.100.0080.00418.04
8.2.90.0040.00418.34
8.2.80.0040.00418.98
8.2.70.0040.00419.60
8.2.60.0050.00317.88
8.2.50.0130.00619.52
8.2.40.0040.01319.52
8.2.30.0120.00619.52
8.2.20.0110.00719.52
8.2.10.0110.00519.52
8.2.00.0120.00419.52
8.1.340.0140.00919.86
8.1.330.0110.00821.98
8.1.320.0120.00716.20
8.1.310.0030.00618.68
8.1.300.0060.00316.19
8.1.290.0080.00018.88
8.1.280.0150.00625.92
8.1.270.0050.00224.66
8.1.260.0030.00526.35
8.1.250.0060.00328.09
8.1.240.0090.00023.98
8.1.230.0080.00420.90
8.1.220.0000.00917.74
8.1.210.0030.00918.80
8.1.200.0000.00817.48
8.1.190.0030.00517.10
8.1.180.0160.00019.52
8.1.170.0140.00319.52
8.1.160.0140.00319.52
8.1.150.0130.00319.52
8.1.140.0100.00619.52
8.1.130.0220.00019.52
8.1.120.0030.01219.52
8.1.110.0140.00719.52
8.1.100.0130.00719.52
8.1.90.0140.00219.52
8.1.80.0080.00819.52
8.1.70.0120.00319.52
8.1.60.0150.00319.52
8.1.50.0170.00019.52
8.1.40.0110.00719.52
8.1.30.0150.00319.52
8.1.20.0110.00719.52
8.1.10.0140.00519.52
8.1.00.0180.00019.52
8.0.300.0040.00420.09
8.0.290.0070.00016.75
8.0.280.0130.00319.52
8.0.270.0130.00419.52
8.0.260.0110.00419.52
8.0.250.0150.00019.52
8.0.240.0160.00019.52
8.0.230.0090.00919.52
8.0.220.0140.00319.52
8.0.210.0160.00019.52
8.0.200.0080.00819.52
8.0.190.0080.00819.52
8.0.180.0140.00419.52
8.0.170.0120.00519.52
8.0.160.0120.00419.52
8.0.150.0110.00619.52
8.0.140.0130.00319.52
8.0.130.0170.00019.52
8.0.120.0170.00019.52
8.0.110.0120.00419.52
8.0.100.0110.00819.52
8.0.90.0130.00619.52
8.0.80.0100.00719.52
8.0.70.0180.00019.52
8.0.60.0060.00919.52
8.0.50.0110.00419.52
8.0.30.0110.00419.52
8.0.20.0110.00419.52
8.0.10.0130.00319.52

preferences:
44.13 ms | 1103 KiB | 5 Q