3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['A', 'Abc', 'def']; var_dump(array_combine(array_walk($a, 'strtolower'), $a));

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)
8.3.60.0170.00316.63
8.3.50.0120.00316.16
8.3.40.0110.00418.71
8.3.30.0110.00418.80
8.3.20.0040.00422.13
8.3.10.0080.00023.42
8.3.00.0040.00419.43
8.2.180.0070.01018.29
8.2.170.0140.00022.96
8.2.160.0140.00020.53
8.2.150.0080.00024.18
8.2.140.0070.01124.66
8.2.130.0040.00422.08
8.2.120.0080.00026.35
8.2.110.0060.00321.05
8.2.100.0040.01218.09
8.2.90.0030.00519.17
8.2.80.0030.00517.97
8.2.70.0040.00417.49
8.2.60.0000.00817.80
8.2.50.0050.00318.10
8.2.40.0050.00320.55
8.2.30.0030.00620.96
8.2.20.0000.00817.97
8.2.10.0020.00517.96
8.2.00.0000.00718.10
8.1.280.0180.00625.92
8.1.270.0080.00023.96
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0030.00623.92
8.1.230.0080.00418.90
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0030.00618.54
8.1.160.0000.00719.05
8.1.150.0040.00420.61
8.1.140.0000.00719.46
8.1.130.0080.00018.85
8.1.120.0000.00717.29
8.1.110.0030.00317.39
8.1.100.0050.00317.44
8.1.90.0040.00417.42
8.1.80.0070.00017.45
8.1.70.0000.00717.29
8.1.60.0000.00817.49
8.1.50.0000.00717.49
8.1.40.0000.00817.50
8.1.30.0050.00417.47
8.1.20.0000.00717.61
8.1.10.0040.00417.53
8.1.00.0000.00817.47
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0030.00318.29
8.0.270.0080.00017.18
8.0.260.0030.00316.82
8.0.250.0030.00316.96
8.0.240.0030.00616.79
8.0.230.0070.00016.86
8.0.220.0050.00316.94
8.0.210.0070.00016.87
8.0.200.0030.00316.91
8.0.190.0050.00316.79
8.0.180.0000.00716.82
8.0.170.0040.00416.94
8.0.160.0030.00316.84
8.0.150.0030.00316.80
8.0.140.0070.00016.80
8.0.130.0050.00013.38
8.0.120.0000.00816.73
8.0.110.0090.00016.80
8.0.100.0000.00716.86
8.0.90.0080.00016.82
8.0.80.0090.00716.91
8.0.70.0050.00216.87
8.0.60.0000.00816.91
8.0.50.0000.00716.73
8.0.30.0100.00917.22
8.0.20.0140.00817.40
8.0.10.0000.00716.97
8.0.00.0100.01416.96
7.4.330.0050.00015.55
7.4.320.0000.00616.41
7.4.300.0000.00616.51
7.4.290.0000.00716.41
7.4.280.0040.00416.41
7.4.270.0080.00016.48
7.4.260.0040.00416.43
7.4.250.0020.00516.29
7.4.240.0040.00416.58
7.4.230.0070.00016.61
7.4.220.0060.01216.45
7.4.210.0070.00716.37
7.4.200.0000.00716.62
7.4.160.0060.00916.43
7.4.150.0060.01317.40
7.4.140.0100.00817.86
7.4.130.0110.00816.48
7.4.120.0090.00816.43
7.4.110.0060.01916.52
7.4.100.0130.01216.51
7.4.90.0110.00616.38
7.4.80.0140.00319.39
7.4.70.0080.00816.52
7.4.60.0090.00616.32
7.4.50.0080.00616.32
7.4.40.0030.01216.34
7.4.30.0030.01416.44
7.4.00.0070.01014.71
7.3.330.0000.00613.09
7.3.320.0030.00313.02
7.3.310.0030.00316.19
7.3.300.0040.00416.14
7.3.290.0070.01116.17
7.3.280.0090.00816.22
7.3.270.0150.00317.40
7.3.260.0110.00616.19
7.3.250.0100.01016.23
7.3.240.0080.00916.24
7.3.230.0100.01016.34
7.3.210.0120.01216.26
7.3.200.0090.00616.57
7.3.190.0080.00816.30
7.3.180.0110.00716.23
7.3.170.0120.00316.29
7.3.160.0040.01116.14
7.3.00.0060.00616.34
7.2.330.0090.00916.48
7.2.320.0100.00716.61
7.2.310.0140.00716.16
7.2.300.0090.01216.25
7.2.290.0240.00016.46
7.2.130.0040.01116.41
7.2.120.0030.01016.73
7.2.110.0030.01216.52
7.2.100.0030.00616.73
7.2.90.0080.00416.67
7.2.80.0000.01016.78
7.2.70.0070.00316.76
7.2.60.0100.00516.62
7.2.50.0100.00316.51
7.2.40.0060.00616.54
7.2.30.0120.00016.87
7.2.20.0000.01716.46
7.2.10.0030.01216.25
7.2.00.0060.00617.97
7.1.250.0050.00315.68
7.1.240.0030.01015.58
7.1.230.0030.01415.75
7.1.220.0030.00615.56
7.1.210.0080.00415.57
7.1.200.0090.00515.67
7.1.190.0080.00315.79
7.1.180.0060.00615.89
7.1.170.0070.00315.75
7.1.160.0080.00315.77
7.1.150.0030.00815.88
7.1.140.0030.00715.67
7.1.130.0070.00415.72
7.1.120.0060.00615.87
7.1.110.0070.00715.76
7.1.100.0050.00617.03
7.1.90.0030.01015.65
7.1.80.0100.00315.38
7.1.70.0050.01016.39
7.1.60.0080.01425.50
7.1.50.0150.00825.04
7.1.40.0140.01125.02
7.1.30.0090.01624.79
7.1.20.0130.01324.20
7.1.10.0020.01515.94
7.1.00.0050.01216.11
7.0.330.0070.00415.01
7.0.320.0040.01115.30
7.0.310.0000.01315.53
7.0.300.0040.00815.18
7.0.290.0040.00815.14
7.0.280.0060.00615.15
7.0.270.0040.00715.39
7.0.260.0090.00015.21
7.0.250.0050.00815.43
7.0.240.0070.01015.51
7.0.230.0060.00615.43
7.0.220.0060.00615.35
7.0.210.0100.00315.22
7.0.200.0030.00816.03
7.0.190.0060.01016.03
7.0.180.0070.00815.58
7.0.170.0070.00914.88
7.0.160.0060.01214.89
7.0.150.0030.00715.69
7.0.140.0030.01315.86
7.0.130.0060.01215.02
7.0.120.0060.01014.90
7.0.110.0080.00915.60
7.0.100.0100.00615.47
7.0.90.0060.00915.68
7.0.80.0050.01015.69
7.0.70.0100.00615.78
7.0.60.0070.00915.76
7.0.50.0050.01115.77
7.0.40.0040.01115.02
7.0.30.0060.00915.01
7.0.20.0090.00714.82
7.0.10.0060.01014.92
7.0.00.0060.00814.72
5.6.380.0070.01014.22

preferences:
54.74 ms | 400 KiB | 5 Q