3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'key1\value1\key2\value2\key3\value3\key4\value4\key5\value5'; $result = []; foreach ( array_chunk(explode('\\', $string), 2) as [$key, $result[$key]] ); var_export($result);

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)
8.3.60.0160.00616.38
8.3.50.0090.00620.03
8.3.40.0030.01021.94
8.3.30.0120.00318.71
8.3.20.0050.00224.18
8.3.10.0060.00324.66
8.3.00.0080.00026.16
8.2.180.0070.00725.92
8.2.170.0140.00019.14
8.2.160.0060.00922.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.00719.82
8.2.110.0060.00321.12
8.2.100.0110.00319.51
8.2.90.0060.00319.16
8.2.80.0080.00017.97
8.2.70.0060.00317.63
8.2.60.0060.00317.93
8.2.50.0090.00018.07
8.2.40.0060.00318.34
8.2.30.0070.00018.08
8.2.20.0000.00820.34
8.2.10.0000.00718.04
8.2.00.0050.00219.21
8.1.280.0060.00925.92
8.1.270.0090.00023.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00320.86
8.1.230.0110.00022.12
8.1.220.0000.00817.79
8.1.210.0030.00618.77
8.1.200.0040.00717.36
8.1.190.0080.00017.22
8.1.180.0080.00018.10
8.1.170.0040.00418.64
8.1.160.0040.00418.79
8.1.150.0040.00418.63
8.1.140.0000.00717.50
8.1.130.0030.00518.88
8.1.120.0000.00717.45
8.1.110.0040.00417.29
8.1.100.0040.00417.28
8.1.90.0000.00717.45
8.1.80.0090.00917.34
8.1.70.0170.00017.40
8.1.60.0120.00817.48
8.1.50.0000.01517.45
8.1.40.0170.00017.45
8.1.30.0110.00717.51
8.1.20.0110.00717.54
8.1.10.0140.00317.47
8.1.00.0120.00617.37
8.0.300.0000.01018.77
8.0.290.0080.00016.63
8.0.280.0020.00518.51
8.0.270.0000.00717.94
8.0.260.0000.00718.47
8.0.250.0030.00316.85
8.0.240.0000.00716.91
8.0.230.0020.00516.84
8.0.220.0030.00316.86
8.0.210.0140.00016.79
8.0.200.0090.00616.95
8.0.190.0130.00316.88
8.0.180.0120.00316.83
8.0.170.0120.00316.69
8.0.160.0070.00816.81
8.0.150.0150.00316.88
8.0.140.0110.00416.67
8.0.130.0120.00316.68
8.0.120.0050.01016.82
8.0.110.0100.00516.78
8.0.100.0080.00816.80
8.0.90.0090.00616.83
8.0.80.0120.00316.82
8.0.70.0120.00316.82
8.0.60.0130.00316.60
8.0.50.0100.00416.70
8.0.30.0130.00216.83
8.0.20.0140.00016.73
8.0.10.0120.00216.90
7.4.330.0000.00515.55
7.4.320.0000.00616.61
7.4.300.0110.00016.57
7.4.290.0100.00016.33
7.4.280.0100.00216.54
7.4.270.0100.00516.45
7.4.260.0090.00516.55
7.4.250.0100.00716.57
7.4.240.0120.00516.53
7.4.230.0110.00616.45
7.4.220.0060.01116.42
7.4.210.0120.00316.43
7.4.200.0110.00416.52
7.4.190.0110.00416.59
7.4.180.0090.00616.38
7.4.160.0070.00716.40
7.4.150.0100.00516.29
7.4.140.0090.00516.41
7.4.130.0040.01116.43
7.4.120.0140.00016.21
7.4.110.0030.01216.38
7.4.100.0080.00716.45
7.4.90.0090.00616.36
7.4.80.0110.00316.31
7.4.70.0130.00316.41
7.4.60.0150.00016.34
7.4.50.0140.00016.38
7.4.40.0110.00316.11
7.4.30.0130.00016.45
7.4.20.0070.00716.35
7.4.10.0000.00616.40
7.4.00.0030.00316.44

preferences:
49.02 ms | 400 KiB | 5 Q