3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'abc'; $strpos = strpos($str, 'a'); echo strtr ($str[$strpos], array ('a' => '<u>replacement</u>'));

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)
8.3.70.0130.00916.38
8.3.60.0120.00918.18
8.3.50.0070.00716.34
8.3.40.0040.01118.84
8.3.30.0150.00418.58
8.3.20.0000.00721.82
8.3.10.0070.00021.73
8.3.00.0000.00818.96
8.2.180.0090.00918.41
8.2.170.0120.00322.96
8.2.160.0100.00721.89
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0040.00420.53
8.2.120.0040.00426.35
8.2.110.0100.00019.39
8.2.100.0060.00617.91
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0080.00017.93
8.2.50.0040.00418.10
8.2.40.0000.00720.34
8.2.30.0060.00319.29
8.2.20.0070.00318.15
8.2.10.0030.00518.05
8.2.00.0040.00417.95
8.1.280.0070.01125.92
8.1.270.0070.00022.25
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0090.00022.05
8.1.230.0040.00719.00
8.1.220.0000.00817.76
8.1.210.0040.00418.77
8.1.200.0080.00017.10
8.1.190.0000.00817.10
8.1.180.0050.00318.10
8.1.170.0060.00318.46
8.1.160.0000.00718.73
8.1.150.0070.00018.73
8.1.140.0030.00519.55
8.1.130.0000.00718.71
8.1.120.0040.00417.30
8.1.110.0040.00417.45
8.1.100.0030.00417.29
8.1.90.0040.00417.27
8.1.80.0000.00717.29
8.1.70.0000.00717.35
8.1.60.0050.00217.34
8.1.50.0040.00417.34
8.1.40.0000.00817.38
8.1.30.0030.01017.59
8.1.20.0040.00417.50
8.1.10.0040.00417.57
8.1.00.0030.00517.52
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.50
8.0.270.0000.00717.20
8.0.260.0040.00418.55
8.0.250.0000.00716.96
8.0.240.0040.00416.85
8.0.230.0080.00016.74
8.0.220.0050.00516.74
8.0.210.0030.00316.81
8.0.200.0060.00016.76
8.0.190.0040.00416.78
8.0.180.0040.00416.88
8.0.170.0000.00716.77
8.0.160.0000.00816.73
8.0.150.0040.00416.72
8.0.140.0040.00416.80
8.0.130.0000.00613.18
8.0.120.0070.00016.82
8.0.110.0080.00016.72
8.0.100.0000.00816.71
8.0.90.0000.00716.69
8.0.80.0100.00716.78
8.0.70.0040.00416.80
8.0.60.0040.00416.67
8.0.50.0050.00216.88
8.0.30.0100.00817.09
8.0.20.0120.00817.40
8.0.10.0000.00716.75
8.0.00.0060.01616.91
7.4.330.0020.00215.55
7.4.320.0000.00616.58
7.4.300.0000.00616.51
7.4.290.0030.00316.44
7.4.280.0000.00816.51
7.4.270.0040.00416.58
7.4.260.0000.00513.22
7.4.250.0040.00416.39
7.4.240.0040.00416.54
7.4.230.0030.00316.57
7.4.220.0070.01316.55
7.4.210.0060.01016.39
7.4.200.0070.00016.64
7.4.160.0070.00916.23
7.4.150.0140.00417.40
7.4.140.0070.01017.86
7.4.130.0160.00316.57
7.4.120.0140.00716.51
7.4.110.0090.01516.61
7.4.100.0160.00616.48
7.4.90.0140.00716.51
7.4.80.0150.00919.39
7.4.70.0030.01216.54
7.4.60.0080.00816.49
7.4.50.0120.00316.42
7.4.40.0090.00916.58
7.4.30.0040.01516.51
7.4.00.0030.01015.25
7.3.330.0030.00313.07
7.3.320.0030.00313.10
7.3.310.0030.00616.32
7.3.300.0070.00016.20
7.3.290.0070.00716.23
7.3.280.0090.00816.21
7.3.270.0120.00417.40
7.3.260.0130.00616.37
7.3.250.0110.00716.19
7.3.240.0060.01116.50
7.3.230.0090.00616.49
7.3.210.0060.01116.48
7.3.200.0030.01616.58
7.3.190.0160.00316.27
7.3.180.0060.01216.37
7.3.170.0070.01016.46
7.3.160.0090.00616.30
7.2.330.0100.00716.36
7.2.320.0130.00616.38
7.2.310.0080.01216.64
7.2.300.0060.01616.31
7.2.290.0070.01116.71
7.1.70.0000.00717.11
7.1.60.0080.00616.90
7.1.50.0070.00317.06
7.1.40.0030.00816.57
7.1.30.0070.00416.46
7.1.20.0040.00816.68
7.1.10.0030.00616.55
7.1.00.0040.00416.65
7.0.200.0030.00616.86
7.0.190.0040.00416.60
7.0.180.0000.01016.16
7.0.170.0000.00816.33
7.0.160.0060.00616.14
7.0.150.0060.00316.00
7.0.140.0030.00516.34
7.0.130.0000.01116.57
7.0.120.0030.01316.52
7.0.110.0090.00316.34
7.0.100.0040.00816.29
7.0.90.0000.01216.19
7.0.80.0000.00716.35
7.0.70.0060.00316.36
7.0.60.0050.00316.15
7.0.50.0000.00916.28
7.0.40.0000.00714.77
7.0.30.0050.00514.77
7.0.20.0040.00414.77
7.0.10.0040.00414.77
7.0.00.0000.00814.77

preferences:
33.44 ms | 400 KiB | 5 Q