3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'abca'; $strpos = strpos($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)
8.3.60.0070.01418.31
8.3.50.0070.00716.35
8.3.40.0080.00818.66
8.3.30.0070.01118.77
8.3.20.0070.00021.59
8.3.10.0050.00321.60
8.3.00.0050.00318.89
8.2.180.0140.00718.54
8.2.170.0030.01222.96
8.2.160.0030.01022.16
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00220.39
8.2.120.0070.00026.35
8.2.110.0060.00319.21
8.2.100.0090.00317.84
8.2.90.0040.00419.36
8.2.80.0030.00617.97
8.2.70.0050.00317.63
8.2.60.0050.00317.93
8.2.50.0040.00418.10
8.2.40.0070.00020.48
8.2.30.0060.00319.36
8.2.20.0030.00518.11
8.2.10.0000.00718.11
8.2.00.0050.00218.11
8.1.280.0120.00325.92
8.1.270.0050.00222.21
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0050.00522.21
8.1.230.0100.00019.10
8.1.220.0090.00017.75
8.1.210.0030.00518.77
8.1.200.0040.00717.23
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0040.00418.22
8.1.160.0040.00418.91
8.1.150.0050.00318.77
8.1.140.0050.00319.54
8.1.130.0000.00718.80
8.1.120.0000.00717.32
8.1.110.0000.00817.40
8.1.100.0020.00517.27
8.1.90.0040.00417.46
8.1.80.0000.00717.29
8.1.70.0030.00317.29
8.1.60.0030.00617.51
8.1.50.0040.00417.43
8.1.40.0000.00717.30
8.1.30.0090.00317.57
8.1.20.0000.00817.54
8.1.10.0040.00417.48
8.1.00.0070.00017.41
8.0.300.0040.00418.77
8.0.290.0040.00416.60
8.0.280.0000.00718.36
8.0.270.0070.00017.29
8.0.260.0040.00418.53
8.0.250.0030.00317.00
8.0.240.0030.00316.97
8.0.230.0030.00516.72
8.0.220.0070.00316.77
8.0.210.0000.00716.82
8.0.200.0000.00616.78
8.0.190.0000.00816.87
8.0.180.0040.00416.73
8.0.170.0030.00316.86
8.0.160.0040.00416.91
8.0.150.0040.00416.82
8.0.140.0040.00416.66
8.0.130.0030.00313.25
8.0.120.0040.00416.70
8.0.110.0000.00816.88
8.0.100.0000.00816.73
8.0.90.0040.00416.86
8.0.80.0000.01716.75
8.0.70.0000.00716.60
8.0.60.0000.00716.88
8.0.50.0000.00716.87
8.0.30.0090.00917.07
8.0.20.0080.01017.40
8.0.10.0040.00416.94
8.0.00.0100.00716.58
7.4.330.0000.00615.55
7.4.320.0000.00716.52
7.4.300.0060.00016.54
7.4.290.0070.00016.44
7.4.280.0000.00716.43
7.4.270.0040.00416.39
7.4.260.0030.00313.14
7.4.250.0050.00216.48
7.4.240.0040.00316.48
7.4.230.0000.00716.51
7.4.220.0080.01116.60
7.4.210.0070.01116.64
7.4.200.0030.00316.46
7.4.160.0080.01016.51
7.4.150.0070.01017.40
7.4.140.0140.00417.86
7.4.130.0180.00016.38
7.4.120.0100.00916.38
7.4.110.0150.00716.30
7.4.100.0060.01216.50
7.4.90.0120.00616.47
7.4.80.0070.01119.39
7.4.70.0060.00916.29
7.4.60.0150.00316.42
7.4.50.0040.01516.14
7.4.40.0090.00616.36
7.4.30.0110.00716.63
7.4.10.0060.01315.57
7.4.00.0030.01515.38
7.3.330.0000.00513.09
7.3.320.0050.00012.99
7.3.310.0030.00316.15
7.3.300.0030.00316.10
7.3.290.0100.00716.18
7.3.280.0070.00916.19
7.3.270.0100.00717.40
7.3.260.0100.01016.51
7.3.250.0120.00516.36
7.3.240.0110.00916.42
7.3.230.0130.00716.19
7.3.210.0070.01016.38
7.3.200.0040.01116.43
7.3.190.0070.01316.28
7.3.180.0100.00616.31
7.3.170.0130.00316.24
7.3.160.0060.00916.25
7.3.130.0100.00715.44
7.3.120.0070.01215.75
7.3.110.0090.00715.54
7.3.100.0050.00815.50
7.3.90.0060.00815.51
7.3.80.0050.00715.51
7.3.70.0030.01015.59
7.3.60.0050.01015.42
7.3.50.0070.01015.54
7.3.40.0060.00715.39
7.3.30.0080.00815.48
7.3.20.0050.01017.36
7.3.10.0090.00417.25
7.3.00.0090.00517.49
7.2.330.0110.00716.67
7.2.320.0190.00316.65
7.2.310.0090.00916.46
7.2.300.0090.00916.44
7.2.290.0050.01316.41
7.2.260.0080.00915.60
7.2.250.0120.00815.59
7.2.240.0040.01215.74
7.2.230.0080.00515.72
7.2.220.0090.00615.83
7.2.210.0050.00615.74
7.2.200.0040.01215.76
7.2.190.0110.00515.73
7.2.180.0050.01115.67
7.2.170.0070.01015.66
7.2.160.0060.01015.75
7.2.150.0020.01117.58
7.2.140.0030.00917.64
7.2.130.0080.00617.60
7.2.120.0050.00917.60
7.2.110.0070.00517.39
7.2.100.0040.00717.64
7.2.90.0100.01017.67
7.2.80.0060.01117.56
7.2.70.0090.00517.87
7.2.60.0050.00817.63
7.2.50.0060.01117.80
7.2.40.0090.00617.72
7.2.30.0080.01017.58
7.2.20.0040.01217.50
7.2.10.0080.01017.55
7.2.00.0090.00618.32
7.1.330.0070.01016.47
7.1.320.0040.00716.62
7.1.310.0090.00616.44
7.1.300.0110.00216.64
7.1.290.0050.00716.60
7.1.280.0090.00716.49
7.1.270.0080.00516.45
7.1.260.0030.01016.32
7.1.250.0050.00816.33
7.1.240.0030.01016.58
7.1.230.0060.00816.46
7.1.220.0070.00616.37
7.1.210.0080.00816.57
7.1.200.0060.01116.60
7.1.190.0060.00616.55
7.1.180.0060.00716.44
7.1.170.0040.00716.59
7.1.160.0090.00816.46
7.1.150.0030.00916.46
7.1.140.0050.01016.34
7.1.130.0090.00516.53
7.1.120.0080.00516.55
7.1.110.0000.01416.67
7.1.100.0110.00717.07
7.1.90.0050.00916.34
7.1.80.0070.00416.53
7.1.70.0070.00216.68
7.1.60.0240.01021.98
7.1.50.0300.00521.98
7.1.40.0300.01022.00
7.1.30.0410.01021.90
7.1.20.0380.01221.94
7.1.10.0200.01015.92
7.1.00.0070.00715.99
7.0.330.0100.00516.21
7.0.320.0020.01015.95
7.0.310.0090.00516.08
7.0.300.0050.01016.16
7.0.290.0060.00716.15
7.0.280.0090.00516.17
7.0.270.0050.00916.09
7.0.260.0060.00516.05
7.0.250.0060.01016.20
7.0.240.0010.00916.15
7.0.230.0050.00516.32
7.0.220.0040.00416.27
7.0.210.0060.00616.24
7.0.200.0240.00615.75
7.0.190.0170.00915.68
7.0.180.0250.01015.59
7.0.170.0330.00715.48
7.0.160.0280.01215.54
7.0.150.0250.01015.51
7.0.140.0300.00715.64
7.0.130.0240.00715.69
7.0.120.0090.00615.79
7.0.110.0240.01115.68
7.0.100.0260.00815.66
7.0.90.0200.00815.48
7.0.80.0190.00515.64
7.0.70.0220.00915.40
7.0.60.0190.00815.44
7.0.50.0200.00515.57
7.0.40.0150.01014.25
7.0.30.0200.00614.29
7.0.20.0230.00714.26
7.0.10.0190.01214.37
7.0.00.0170.00814.26
5.6.400.0060.00815.01
5.6.390.0060.00814.96
5.6.380.0050.01115.11
5.6.370.0060.01114.98
5.6.360.0080.00815.07
5.6.350.0070.00714.96
5.6.340.0050.00515.09
5.6.330.0040.01115.25
5.6.320.0070.01015.18
5.6.310.0090.00515.16
5.6.300.0040.01215.25
5.6.290.0080.00515.19
5.6.280.0070.00515.18
5.6.270.0050.00815.18
5.6.260.0070.00715.20
5.6.250.0070.00715.00
5.6.240.0040.01015.24
5.6.230.0060.00515.06
5.6.220.0050.00815.05
5.6.210.0050.00914.96
5.6.200.0070.00915.18
5.6.190.0100.00315.13
5.6.180.0030.01115.04
5.6.170.0070.00915.05
5.6.160.0030.01115.04
5.6.150.0050.00815.21
5.6.140.0070.00715.03
5.6.130.0050.01015.28
5.6.120.0080.00615.22
5.6.110.0010.01115.10
5.6.100.0050.00615.16
5.6.90.0070.00514.87
5.6.80.0090.00415.02
5.6.70.0040.00914.92
5.6.60.0090.00515.00
5.6.50.0050.00914.97
5.6.40.0080.00515.21
5.6.30.0080.00615.16
5.6.20.0050.00914.96
5.6.10.0050.00615.05
5.6.00.0080.00315.23

preferences:
59.59 ms | 400 KiB | 5 Q