3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strtr('a', ['a' => 'bb', 'b' => 'cc']));

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)
8.4.140.0090.01117.49
8.4.130.0080.00317.74
8.4.120.0110.00920.60
8.4.110.0090.00822.11
8.4.100.0120.00818.75
8.4.90.0090.00918.77
8.4.80.0050.00318.61
8.4.70.0150.00717.84
8.4.60.0120.00918.95
8.4.50.0140.00818.32
8.4.40.0040.01517.61
8.4.30.0160.00320.24
8.4.20.0180.00019.78
8.4.10.0060.00319.19
8.3.270.0100.00916.38
8.3.260.0140.00516.44
8.3.250.0130.00518.63
8.3.240.0130.00616.84
8.3.230.0090.00916.65
8.3.220.0080.01218.91
8.3.210.0100.00616.49
8.3.200.0030.00616.59
8.3.190.0110.00317.30
8.3.180.0140.00516.33
8.3.170.0090.00920.68
8.3.160.0130.00717.16
8.3.150.0110.00716.92
8.3.140.0070.00716.37
8.3.130.0030.00616.73
8.3.120.0070.00318.81
8.3.110.0000.00817.91
8.3.100.0080.00316.65
8.3.90.0040.00426.77
8.3.80.0030.00919.36
8.3.70.0070.01118.18
8.3.60.0120.00916.61
8.3.50.0120.00623.50
8.3.40.0070.01321.90
8.3.30.0110.00418.55
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0030.00626.16
8.2.290.0120.00620.05
8.2.280.0110.00718.43
8.2.270.0090.00918.59
8.2.260.0050.00316.55
8.2.250.0040.00418.30
8.2.240.0000.00916.81
8.2.230.0040.00420.94
8.2.220.0050.00524.06
8.2.210.0000.00826.77
8.2.200.0030.00618.88
8.2.190.0090.00916.58
8.2.180.0090.00925.92
8.2.170.0140.00718.69
8.2.160.0140.00022.96
8.2.150.0070.00025.66
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00426.35
8.2.110.0090.00020.38
8.2.100.0060.00619.76
8.2.90.0030.00617.63
8.2.80.0030.00618.57
8.2.70.0030.00517.50
8.2.60.0000.00817.50
8.2.50.0000.00818.05
8.2.40.0040.00419.82
8.2.30.0000.00717.99
8.2.20.0040.00417.81
8.2.10.0040.00419.12
8.2.00.0070.00019.14
8.1.330.0120.00721.86
8.1.320.0110.00716.03
8.1.310.0080.00018.20
8.1.300.0030.00618.05
8.1.290.0000.00930.84
8.1.280.0140.00725.92
8.1.270.0060.00323.99
8.1.260.0040.00428.09
8.1.250.0050.00228.09
8.1.240.0060.00322.04
8.1.230.0070.00320.84
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0000.00817.11
8.1.190.0000.00817.10
8.1.180.0050.00318.10
8.1.170.0000.00818.61
8.1.160.0050.00218.76
8.1.150.0040.00418.79
8.1.140.0000.00718.66
8.1.130.0000.00719.95
8.1.120.0000.00717.29
8.1.110.0040.00417.33
8.1.100.0040.00417.30
8.1.90.0040.00417.36
8.1.80.0030.00617.33
8.1.70.0030.00317.34
8.1.60.0000.00817.49
8.1.50.0060.00317.27
8.1.40.0040.00417.43
8.1.30.0000.00817.59
8.1.20.0000.00917.53
8.1.10.0060.00317.36
8.1.00.0070.00317.24
8.0.300.0070.00018.89
8.0.290.0040.00416.58
8.0.280.0030.00318.19
8.0.270.0000.00817.80
8.0.260.0000.00618.56
8.0.250.0000.00716.82
8.0.240.0070.00016.89
8.0.230.0030.00616.82
8.0.220.0070.00016.75
8.0.210.0000.00916.80
8.0.200.0000.00916.71
8.0.190.0030.00616.69
8.0.180.0040.00416.83
8.0.170.0080.00016.78
8.0.160.0040.00416.87
8.0.150.0030.00516.68
8.0.140.0000.00716.74
8.0.130.0000.00513.16
8.0.120.0050.00216.69
8.0.110.0000.00816.54
8.0.100.0000.00716.64
8.0.90.0070.00016.81
8.0.80.0080.01016.74
8.0.70.0040.00416.65
8.0.60.0070.00016.73
8.0.50.0000.00716.59
8.0.30.0100.00716.94
8.0.20.0110.01017.09
8.0.10.0040.00416.84
8.0.00.0060.01216.46
7.4.330.0000.00415.55
7.4.320.0000.00716.41
7.4.300.0000.00616.43
7.4.290.0030.00616.21
7.4.280.0000.00716.41
7.4.270.0030.00316.40
7.4.260.0050.00013.07
7.4.250.0080.00016.42
7.4.240.0040.00416.42
7.4.230.0000.00716.29
7.4.220.0020.00616.39
7.4.210.0070.00716.44
7.4.200.0070.00016.47
7.4.130.0120.00916.29
7.4.120.0120.00816.23
7.4.110.0080.01316.32
7.4.100.0100.01016.28
7.4.90.0090.00916.07
7.4.80.0100.01016.21
7.4.70.0120.00916.27
7.4.60.0140.00916.08
7.4.50.0070.01216.20
7.4.40.0130.00916.20
7.4.30.0110.00816.07
7.4.20.0120.00716.04
7.4.10.0130.01016.14
7.4.00.0110.01216.26
7.3.330.0040.00415.98
7.3.320.0030.00313.05
7.3.310.0080.00016.10
7.3.300.0000.00716.04
7.3.290.0050.00816.13
7.3.260.0170.00716.22
7.3.240.0120.00716.08
7.3.230.0110.00816.22
7.3.220.0140.00516.21
7.3.210.0100.00916.12
7.3.200.0120.00916.09
7.3.190.0120.00716.07
7.3.180.0090.00916.03
7.3.170.0050.01316.23
7.3.160.0120.00716.10
7.3.150.0110.01016.13
7.3.140.0090.01416.13
7.3.130.0120.00715.98
7.3.120.0060.01616.10
7.3.110.0110.01016.21
7.3.100.0110.00916.05
7.3.90.0080.01216.06
7.3.80.0120.01216.03
7.3.70.0170.01016.09
7.3.60.0190.00616.04
7.3.50.0140.01016.10
7.3.40.0160.00916.11
7.3.30.0120.00916.18
7.3.20.0040.01716.07
7.3.10.0120.00916.06
7.3.00.0150.00615.88
7.2.340.0080.01116.21
7.2.330.0090.01016.20
7.2.320.0170.00616.28
7.2.310.0120.00716.21
7.2.300.0070.01216.13
7.2.290.0120.00716.33
7.2.280.0140.00516.25
7.2.270.0100.00816.17
7.2.260.0140.00816.13
7.2.250.0090.01216.33
7.2.240.0090.01016.30
7.2.230.0070.01316.13
7.2.220.0140.00816.16
7.2.210.0180.00516.19
7.2.200.0140.01116.38
7.2.190.0110.01416.20
7.2.180.0230.00316.34
7.2.170.0190.00716.14
7.2.160.0140.00516.20
7.2.150.0170.00616.18
7.2.140.0100.01416.27
7.2.130.0120.01016.30
7.2.120.0150.01116.35
7.2.110.0130.01016.35
7.2.100.0120.01116.29
7.2.90.0130.01116.35
7.2.80.0150.01016.09
7.2.70.0150.00716.26
7.2.60.0130.01316.38
7.2.50.0160.00916.27
7.2.40.0230.01216.39
7.2.30.0160.00816.43
7.2.20.0150.01016.28
7.2.10.0250.00916.31
7.2.00.0130.01016.27

preferences:
33.86 ms | 403 KiB | 5 Q