3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(str_replace(['a','b'],['A','B'],['a' => 'a', 'b' => 'b', 'c' => ['a','b']]));

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)
8.3.130.0040.01118.88
8.3.120.0030.00718.56
8.3.110.0030.00620.94
8.3.100.0080.00324.06
8.3.90.0030.00726.77
8.3.80.0030.00716.75
8.3.70.0070.01118.30
8.3.60.0060.00916.75
8.3.50.0120.00317.98
8.3.40.0110.00318.92
8.3.30.0190.00018.52
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0070.00026.16
8.2.250.0080.00016.71
8.2.240.0080.00017.03
8.2.230.0040.00422.58
8.2.220.0170.00337.54
8.2.210.0120.00626.77
8.2.200.0030.00616.50
8.2.190.0070.01416.58
8.2.180.0070.01125.92
8.2.170.0110.01118.99
8.2.160.0170.00022.96
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0050.00226.16
8.2.120.0050.00326.16
8.2.110.0090.00019.29
8.2.100.0040.00817.78
8.2.90.0000.00817.63
8.2.80.0050.00318.54
8.2.70.0060.00317.63
8.2.60.0000.00717.91
8.2.50.0070.00017.58
8.2.40.0000.00817.62
8.2.30.0000.00817.62
8.2.20.0040.00419.35
8.2.10.0000.00818.68
8.2.00.0060.00319.11
8.1.300.0030.00617.95
8.1.290.0090.00018.88
8.1.280.0070.01125.92
8.1.270.0000.00723.99
8.1.260.0040.00426.35
8.1.250.0120.00628.09
8.1.240.0030.00619.30
8.1.230.0030.00717.57
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0000.00817.23
8.1.190.0000.00817.00
8.1.180.0030.00718.10
8.1.170.0040.00417.62
8.1.160.0000.00718.82
8.1.150.0040.00418.54
8.1.140.0080.00017.31
8.1.130.0000.00818.68
8.1.120.0000.01017.30
8.1.110.0050.00217.21
8.1.100.0040.00417.18
8.1.90.0040.00417.27
8.1.80.0040.00417.39
8.1.70.0000.00717.26
8.1.60.0040.00417.39
8.1.50.0090.00017.34
8.1.40.0050.00317.39
8.1.30.0040.00417.57
8.1.20.0030.00617.34
8.1.10.0040.00417.33
8.1.00.0000.00817.36
8.0.300.0000.00718.77
8.0.290.0050.00616.63
8.0.280.0030.00318.22
8.0.270.0000.00816.86
8.0.260.0000.00618.22
8.0.250.0000.00716.78
8.0.240.0060.00316.86
8.0.230.0030.00316.78
8.0.220.0030.00316.79
8.0.210.0070.00016.80
8.0.200.0060.00316.75
8.0.190.0030.00316.88
8.0.180.0000.00716.74
8.0.170.0090.00016.82
8.0.160.0040.00416.72
8.0.150.0040.00416.84
8.0.140.0030.00316.87
8.0.130.0030.00313.25
8.0.120.0030.00516.75
8.0.110.0000.00716.76
8.0.100.0030.00516.78
8.0.90.0030.00316.79
8.0.80.0000.00716.75
8.0.70.0070.00016.70
8.0.60.0030.00316.85
8.0.50.0080.00016.89
8.0.30.0050.00216.87
8.0.20.0000.00716.93
8.0.10.0000.00816.86
8.0.00.0040.00416.98
7.4.330.0060.00015.55
7.4.320.0000.00616.36
7.4.300.0000.00616.40
7.4.290.0000.00816.38
7.4.280.0070.00016.39
7.4.270.0070.00016.36
7.4.260.0030.00313.11
7.4.250.0040.00416.43
7.4.240.0040.00416.46
7.4.230.0000.00816.36
7.4.220.0030.00316.22
7.4.210.0070.00016.26
7.4.200.0000.00716.39
7.4.190.0070.00016.57
7.4.180.0000.00716.46
7.4.160.0000.00716.52
7.4.150.0000.00716.53
7.4.140.0030.00316.39
7.4.130.0030.00316.28
7.4.120.0070.00016.31
7.4.110.0030.00316.12
7.4.100.0000.00716.39
7.4.90.0030.00316.31
7.4.80.0040.00416.12
7.4.70.0000.00716.29
7.4.60.0070.00016.16
7.4.50.0040.00416.34
7.4.40.0050.00216.28
7.4.30.0070.00016.17
7.4.20.0080.00016.25
7.4.10.0040.00416.29
7.4.00.0050.00216.36
7.3.330.0000.00616.15
7.3.320.0030.00312.99
7.3.310.0060.00016.07
7.3.300.0050.00315.99
7.3.290.0040.00415.94
7.3.280.0030.00615.99
7.3.270.0050.00216.16
7.3.260.0030.00315.99
7.3.250.0050.00216.16
7.3.240.0070.00016.10
7.3.230.0000.00615.96
7.3.220.0040.00415.93
7.3.210.0000.00716.06
7.3.200.0070.00015.92
7.3.190.0000.00716.07
7.3.180.0040.00416.07
7.3.170.0050.00215.89
7.3.160.0040.00416.03
7.3.150.0030.00315.92
7.3.140.0000.00716.01
7.3.130.0000.00716.00
7.3.120.0030.00315.92
7.3.110.0030.00316.00
7.3.100.0060.00015.97
7.3.90.0030.00316.14
7.3.80.0030.00316.17
7.3.70.0060.00016.04
7.3.60.0000.00716.27
7.3.50.0030.00316.24
7.3.40.0040.00416.17
7.3.30.0000.00816.33
7.3.20.0000.00717.97
7.3.10.0060.00317.89
7.3.00.0000.00718.05

preferences:
14.91 ms | 403 KiB | 5 Q