3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = array( "a" => 1, "b" => 2, "c" => 3, "d" => 4, ); $foo = ['c' => $foo['c']] + $foo; var_export($foo); echo "\n---\n"; $bar = array( "a" => 1, "b" => 2, "d" => 4, ); if (array_key_exists('c', $bar)) { $bar = ['c' => $bar['c']] + $bar; } var_export($bar);

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)
8.4.120.0050.00420.40
8.4.110.0130.00722.58
8.4.100.0130.00817.65
8.4.90.0090.00618.76
8.4.80.0080.01117.79
8.4.70.0080.00717.80
8.4.60.0160.00418.51
8.4.50.0110.00917.62
8.4.40.0120.00817.90
8.4.30.0060.01320.53
8.4.20.0130.00618.03
8.4.10.0030.00619.48
8.3.250.0130.00619.14
8.3.240.0160.00316.76
8.3.230.0090.00616.39
8.3.220.0030.00517.06
8.3.210.0080.00716.73
8.3.200.0060.00416.78
8.3.190.0110.00816.30
8.3.180.0120.00616.55
8.3.170.0060.01216.63
8.3.160.0000.00820.16
8.3.150.0130.00616.77
8.3.140.0090.00618.36
8.3.130.0040.00418.38
8.3.120.0000.00918.70
8.3.110.0060.00320.94
8.3.100.0040.00424.06
8.3.90.0110.00326.77
8.3.80.0090.00017.97
8.3.70.0110.00716.75
8.3.60.0140.00716.38
8.3.50.0090.00724.47
8.3.40.0100.00618.84
8.3.30.0120.00318.59
8.3.20.0040.00424.18
8.3.10.0030.00524.66
8.3.00.0000.00826.16
8.2.290.0120.00720.59
8.2.280.0040.00418.29
8.2.270.0030.01518.91
8.2.260.0180.00018.21
8.2.250.0070.01116.93
8.2.240.0000.00818.82
8.2.230.0060.00322.58
8.2.220.0030.00637.54
8.2.210.0030.01226.77
8.2.200.0030.00618.41
8.2.190.0120.00416.63
8.2.180.0150.00025.92
8.2.170.0210.00022.96
8.2.160.0070.01022.96
8.2.150.0080.00025.66
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0040.00421.10
8.2.110.0050.00520.57
8.2.100.0040.00817.91
8.2.90.0040.00417.88
8.2.80.0030.00718.86
8.2.70.0080.00017.63
8.2.60.0000.00817.91
8.2.50.0000.00818.05
8.2.40.0030.00618.34
8.2.30.0030.00517.95
8.2.20.0000.00817.96
8.2.10.0070.00019.14
8.2.00.0000.00719.12
8.1.330.0080.01021.80
8.1.320.0100.01016.03
8.1.310.0040.00416.73
8.1.300.0060.01318.50
8.1.290.0030.00630.84
8.1.280.0040.01125.92
8.1.270.0050.00522.13
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0100.01319.18
8.1.230.0090.00317.77
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0000.00717.10
8.1.180.0040.00418.10
8.1.170.0060.00318.51
8.1.160.0040.00418.75
8.1.150.0000.00718.90
8.1.140.0030.00518.79
8.1.130.0030.00320.06
8.1.120.0040.00417.32
8.1.110.0000.00817.32
8.1.100.0070.00017.37
8.1.90.0000.00817.39
8.1.80.0030.00517.33
8.1.70.0000.00717.34
8.1.60.0050.00217.59
8.1.50.0050.00317.44
8.1.40.0030.00617.49
8.1.30.0040.00417.43
8.1.20.0050.00217.58
8.1.10.0000.00817.61
8.1.00.0000.00817.50
8.0.300.0000.00718.92
8.0.290.0080.00016.63
8.0.280.0030.00318.41
8.0.270.0070.00018.00
8.0.260.0040.00420.23
8.0.250.0060.00316.95
8.0.240.0030.00316.86
8.0.230.0030.00316.98
8.0.220.0020.00516.93
8.0.210.0050.00316.88
8.0.200.0030.00516.92
8.0.190.0040.00416.99
8.0.180.0050.00216.82
8.0.170.0000.00916.84
8.0.160.0040.00416.92
8.0.150.0040.00416.87
8.0.140.0040.00416.87
8.0.130.0060.00013.29
8.0.120.0080.00016.82
8.0.110.0000.00716.83
8.0.100.0000.00716.72
8.0.90.0040.00416.73
8.0.80.0070.01016.88
8.0.70.0000.00816.70
8.0.60.0040.00416.87
8.0.50.0070.00016.88
8.0.30.0030.01317.04
8.0.20.0150.00817.21
8.0.10.0100.01817.11
8.0.00.0150.01217.14
7.4.330.0000.00515.55
7.4.320.0030.00316.59
7.4.300.0040.00416.62
7.4.290.0050.00316.48
7.4.280.0000.00816.60
7.4.270.0000.00616.63
7.4.260.0000.00513.25
7.4.250.0040.00416.49
7.4.240.0020.00516.59
7.4.230.0040.00416.70
7.4.220.0030.00316.38
7.4.210.0070.00916.63
7.4.200.0070.00016.31
7.4.150.0220.00316.41
7.4.140.0160.00916.55
7.4.130.0090.01916.65
7.4.120.0170.01216.42
7.4.110.0190.00916.54
7.4.100.0170.02216.31
7.4.90.0190.00616.56
7.4.80.0210.01016.39
7.4.70.0180.01016.30
7.4.60.0110.01616.42
7.4.50.0060.01916.46
7.4.40.0110.01616.43
7.4.30.0110.01516.31
7.4.20.0120.01416.38
7.4.10.0170.01216.13
7.4.00.0080.01916.54
7.3.330.0030.00316.33
7.3.320.0030.00313.16
7.3.310.0030.00316.39
7.3.300.0000.00716.37
7.3.290.0080.01016.21
7.3.270.0140.01016.30
7.3.260.0090.00916.41
7.3.250.0140.01216.33
7.3.240.0130.01216.31
7.3.230.0110.01216.47
7.3.220.0150.00816.57
7.3.210.0060.01016.29
7.3.200.0250.00316.18
7.3.190.0160.01016.28
7.3.180.0140.01016.49
7.3.170.0090.02016.26
7.3.160.0090.01615.96
7.3.150.0170.00516.34
7.3.140.0150.00916.18
7.3.130.0160.00616.25
7.3.120.0220.00416.29
7.3.110.0200.00716.33
7.3.100.0100.01116.35
7.3.90.0120.00916.09
7.3.80.0160.00716.11
7.3.70.0130.01016.39
7.3.60.0100.01316.32
7.3.50.0090.01416.38
7.3.40.0120.01216.25
7.3.30.0130.01216.25
7.3.20.0210.00016.45
7.3.10.0060.02216.20
7.3.00.0140.01316.32

preferences:
125.47 ms | 403 KiB | 5 Q