3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ 'gateway' => 'a', 'email' => 'b', 'firstname' => 'c', 'lastname' => 'd', 'gender' => 'e', 'birthDate' => 'f', 'city' => 'g', 'zip' => 'h', 'client' => 'i', ]; $b = [ 'gateway' => '1', 'email' => '2', 'firstname' => '', 'lastname' => '3', ]; print_r( array_merge($a, $b) ); print_r( array_map( function($key) { return [$a[$key] => $b[$key]]; }, array_keys($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)
5.4.340.0050.03912.03
5.4.320.0050.03812.52
5.4.310.0050.03912.52
5.4.300.0060.03712.52
5.4.290.0080.03812.51
5.4.280.0030.03812.41
5.4.270.0060.03812.41
5.4.260.0060.04712.41
5.4.250.0040.04112.41
5.4.240.0060.03812.41
5.4.230.0090.04312.40
5.4.220.0070.03412.40
5.4.210.0040.03912.40
5.4.200.0060.05112.40
5.4.190.0080.04512.40
5.4.180.0080.03412.39
5.4.170.0070.03912.41
5.4.160.0130.03212.40
5.4.150.0050.03712.40
5.4.140.0040.03912.09
5.4.130.0080.03412.07
5.4.120.0060.03612.03
5.4.110.0070.04912.03
5.4.100.0050.03512.03
5.4.90.0060.03612.03
5.4.80.0070.03612.03
5.4.70.0100.03412.03
5.4.60.0140.02912.03
5.4.50.0050.03712.03
5.4.40.0060.03512.01
5.4.30.0120.04012.02
5.4.20.0090.03412.00
5.4.10.0100.03512.01
5.4.00.0050.04611.51
5.3.290.0080.03912.80
5.3.280.0060.04212.71
5.3.270.0070.04612.73
5.3.260.0070.04212.72
5.3.250.0120.03512.72
5.3.240.0090.03412.72
5.3.230.0050.04012.70
5.3.220.0080.03912.68
5.3.210.0050.04012.68
5.3.200.0080.04112.68
5.3.190.0130.04712.68
5.3.180.0110.04812.67
5.3.170.0050.03812.67
5.3.160.0050.04812.67
5.3.150.0060.04512.67
5.3.140.0070.04012.66
5.3.130.0040.04112.66
5.3.120.0070.04012.66
5.3.110.0090.04812.66
5.3.100.0050.04312.12
5.3.90.0060.04112.09
5.3.80.0060.03712.07
5.3.70.0090.03512.07
5.3.60.0070.03812.07
5.3.50.0080.03912.00
5.3.40.0060.03712.00
5.3.30.0090.03511.95
5.3.20.0060.03611.72
5.3.10.0050.03711.70
5.3.00.0040.04511.68
5.2.170.0080.0349.18
5.2.160.0020.0319.18
5.2.150.0030.0329.18
5.2.140.0080.0319.18
5.2.130.0060.0309.14
5.2.120.0060.0289.14
5.2.110.0040.0329.15
5.2.100.0050.0319.14
5.2.90.0030.0339.14
5.2.80.0070.0309.13
5.2.70.0070.0419.14
5.2.60.0090.0359.09
5.2.50.0070.0339.05
5.2.40.0020.0339.04
5.2.30.0080.0299.02
5.2.20.0020.0329.00
5.2.10.0030.0308.93
5.2.00.0060.0298.78
5.1.60.0050.0258.07
5.1.50.0070.0258.06
5.1.40.0050.0248.04
5.1.30.0060.0288.40
5.1.20.0060.0268.42
5.1.10.0080.0298.14
5.1.00.0070.0278.14
5.0.50.0040.0256.62
5.0.40.0040.0276.48
5.0.30.0090.0316.29
5.0.20.0030.0216.27
5.0.10.0040.0216.23
5.0.00.0020.0336.23
4.4.90.0040.0164.78
4.4.80.0020.0184.76
4.4.70.0070.0144.76
4.4.60.0030.0164.76
4.4.50.0030.0164.77
4.4.40.0040.0244.71
4.4.30.0030.0194.76
4.4.20.0050.0194.84
4.4.10.0030.0164.85
4.4.00.0020.0274.76
4.3.110.0030.0154.67
4.3.100.0010.0174.66
4.3.90.0030.0144.63
4.3.80.0010.0324.58
4.3.70.0000.0194.63
4.3.60.0050.0144.63
4.3.50.0030.0224.63
4.3.40.0170.0404.54
4.3.30.0040.0173.28
4.3.20.0020.0213.26
4.3.10.0030.0203.22
4.3.00.0100.0237.42

preferences:
143.54 ms | 1394 KiB | 7 Q