3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_replace('/<h1[^>]*>([\s\S]*?)<\/h1[^>]*>/', '', 'Hello<h1>including this content</h1> There !!');

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)
8.3.60.0140.00318.52
8.3.50.0070.00716.79
8.3.40.0120.00918.80
8.3.30.0100.00618.79
8.3.20.0030.00520.33
8.3.10.0080.00021.76
8.3.00.0040.00419.66
8.2.180.0070.00716.61
8.2.170.0070.00722.96
8.2.160.0040.01118.93
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00019.39
8.2.120.0040.00426.35
8.2.110.0070.00321.06
8.2.100.0050.00517.91
8.2.90.0080.00019.05
8.2.80.0000.00817.97
8.2.70.0040.00817.63
8.2.60.0060.00317.68
8.2.50.0080.00018.10
8.2.40.0000.00720.50
8.2.30.0040.00419.21
8.2.20.0070.00017.95
8.2.10.0040.00417.95
8.2.00.0070.00017.85
8.1.280.0070.00725.92
8.1.270.0130.00324.66
8.1.260.0040.00426.35
8.1.250.0030.00628.09
8.1.240.0040.00423.85
8.1.230.0060.00619.48
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0060.00317.22
8.1.190.0080.00017.22
8.1.180.0050.00318.10
8.1.170.0040.00418.67
8.1.160.0040.00418.89
8.1.150.0040.00418.75
8.1.140.0040.00419.52
8.1.130.0000.00718.69
8.1.120.0040.00317.52
8.1.110.0060.00317.33
8.1.100.0030.00617.50
8.1.90.0040.00417.47
8.1.80.0000.00717.52
8.1.70.0070.00017.38
8.1.60.0080.00017.46
8.1.50.0040.00417.60
8.1.40.0030.00617.54
8.1.30.0040.00417.57
8.1.20.0060.00317.58
8.1.10.0030.00617.50
8.1.00.0050.00317.46
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0000.00718.29
8.0.270.0040.00317.13
8.0.260.0030.00316.84
8.0.250.0070.00016.94
8.0.240.0030.00616.93
8.0.230.0030.00316.88
8.0.220.0000.00716.85
8.0.210.0030.00316.82
8.0.200.0030.00316.97
8.0.190.0040.00817.00
8.0.180.0050.00316.93
8.0.170.0000.00717.01
8.0.160.0030.00616.90
8.0.150.0040.00416.95
8.0.140.0030.00316.86
8.0.130.0060.00013.40
8.0.120.0040.00416.86
8.0.110.0070.00016.80
8.0.100.0000.00716.89
8.0.90.0000.00716.92
8.0.80.0060.01016.88
8.0.70.0070.00016.71
8.0.60.0070.00016.77
8.0.50.0000.00716.87
8.0.30.0110.00717.20
8.0.20.0110.00817.40
8.0.10.0030.00517.10
8.0.00.0040.01217.03
7.4.330.0000.00615.55
7.4.320.0060.00016.56
7.4.300.0000.00716.68
7.4.290.0030.00316.58
7.4.280.0070.00016.62
7.4.270.0030.00316.67
7.4.260.0000.00716.59
7.4.250.0030.00316.59
7.4.240.0030.00316.68
7.4.230.0000.00716.47
7.4.220.0070.01116.48
7.4.210.0040.01416.60
7.4.200.0000.00716.61
7.4.160.0110.00616.53
7.4.150.0160.00617.40
7.4.140.0070.01017.86
7.4.130.0090.01216.58
7.4.120.0100.00916.47
7.4.110.0080.00816.46
7.4.100.0030.01516.54
7.4.90.0040.01316.52
7.4.80.0070.01019.39
7.4.70.0090.00916.63
7.4.60.0100.00716.42
7.4.50.0070.01016.59
7.4.40.0130.00316.54
7.4.30.0030.01316.28
7.4.00.0030.01015.10
7.3.330.0020.00213.18
7.3.320.0000.00613.11
7.3.310.0070.00016.38
7.3.300.0000.00616.30
7.3.290.0000.00616.30
7.3.280.0090.00916.26
7.3.270.0120.00917.40
7.3.260.0060.01216.24
7.3.250.0070.01116.36
7.3.240.0110.01116.39
7.3.230.0030.01316.60
7.3.210.0060.01016.60
7.3.200.0200.00316.35
7.3.190.0080.00816.73
7.3.180.0070.01016.49
7.3.170.0090.00616.30
7.3.160.0030.01416.35
7.2.330.0090.00916.48
7.2.320.0100.00716.54
7.2.310.0050.01116.61
7.2.300.0120.01316.63
7.2.290.0090.00616.42
7.2.60.1510.00915.00
7.2.00.0030.00919.57
7.1.100.0060.00818.32
7.1.70.0250.01315.38
7.1.60.0510.00033.49
7.1.50.0400.01733.11
7.1.40.0360.01332.75
7.1.30.0340.01832.50
7.1.20.0380.01432.95
7.1.10.0150.02114.76
7.1.00.0230.01415.06
7.0.200.0300.00614.85
7.0.190.0250.01114.96
7.0.180.0170.01314.42
7.0.170.0190.01614.62
7.0.160.0220.01414.24
7.0.150.0260.01114.25
7.0.140.0270.01314.65
7.0.130.0250.01114.78
7.0.120.0610.01414.64
7.0.110.0270.01014.56
7.0.100.0120.01814.57
7.0.90.0170.00914.61
7.0.80.0340.00414.50
7.0.70.0240.01514.57
7.0.60.0190.00614.51
7.0.50.0180.00914.50
7.0.40.0160.01114.88
7.0.30.0240.00914.90
7.0.20.0250.00914.89
7.0.10.0320.00614.40
7.0.00.0300.00914.59

preferences:
37.93 ms | 400 KiB | 5 Q