3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 'one' => range(1,3), range('a', 'c'), 'moo' => array( 'baa' => array('A', 'C'), ), ); function transform(array $array) { foreach ($array as $key => $value) { if (is_array($value)) { yield from transform($value); } else { yield 'JAM_' . $key => $value; } } } $a = iterator_to_array(transform($array)); var_dump($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)
8.3.40.0040.01118.84
8.3.30.0090.00618.67
8.3.20.0040.00420.20
8.3.10.0070.00021.85
8.3.00.0040.00421.71
8.2.170.0060.00922.96
8.2.160.0100.00620.26
8.2.150.0090.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00320.54
8.2.120.0070.00026.35
8.2.110.0000.00820.47
8.2.100.0060.00917.43
8.2.90.0000.00819.20
8.2.80.0080.00017.97
8.2.70.0060.00317.63
8.2.60.0040.00418.03
8.2.50.0050.00518.09
8.2.40.0040.00420.45
8.2.30.0000.00719.57
8.2.20.0040.00417.73
8.2.10.0050.00218.03
8.2.00.0000.00718.11
8.1.270.0060.00322.23
8.1.260.0100.00028.09
8.1.250.0070.00028.09
8.1.240.0040.00423.73
8.1.230.0090.00320.91
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00617.35
8.1.190.0000.00917.36
8.1.180.0040.00418.10
8.1.170.0060.00318.46
8.1.160.0040.00420.67
8.1.150.0000.00820.71
8.1.140.0040.00419.57
8.1.130.0000.00717.65
8.1.120.0000.00717.38
8.1.110.0090.00017.42
8.1.100.0080.00017.39
8.1.90.0000.00717.42
8.1.80.0040.00417.43
8.1.70.0000.00817.36
8.1.60.0000.00817.60
8.1.50.0000.00817.43
8.1.40.0000.01017.39
8.1.30.0000.00817.48
8.1.20.0000.00817.57
8.1.10.0040.00417.54
8.1.00.0040.00417.45
8.0.300.0040.00418.78
8.0.290.0030.00616.63
8.0.280.0070.00018.43
8.0.270.0030.00317.31
8.0.260.0030.00317.30
8.0.250.0070.00016.87
8.0.240.0030.00516.95
8.0.230.0030.00316.94
8.0.220.0070.00016.79
8.0.210.0000.00716.77
8.0.200.0000.00616.81
8.0.190.0050.00516.97
8.0.180.0000.01016.88
8.0.170.0000.00716.79
8.0.160.0030.00316.79
8.0.150.0040.00416.90
8.0.140.0000.00716.81
8.0.130.0000.00513.33
8.0.120.0040.00416.81
8.0.110.0040.00416.88
8.0.100.0080.00016.95
8.0.90.0000.00716.74
8.0.80.0100.00716.79
8.0.70.0000.00816.93
8.0.60.0040.00416.69
8.0.50.0000.00716.88
8.0.30.0070.00917.20
8.0.20.0130.00617.40
8.0.10.0000.00816.87
8.0.00.0080.00916.89
7.4.330.0030.00316.77
7.4.320.0030.00316.55
7.4.300.0060.00316.63
7.4.290.0000.00716.43
7.4.280.0040.00416.50
7.4.270.0050.00216.55
7.4.260.0040.00416.61
7.4.250.0000.00816.54
7.4.240.0030.00316.49
7.4.230.0000.00716.53
7.4.220.0130.00616.50
7.4.210.0050.01116.48
7.4.200.0030.00316.42
7.4.160.0180.00016.43
7.4.150.0110.00817.40
7.4.140.0100.01117.86
7.4.130.0090.01216.55
7.4.120.0110.01016.56
7.4.110.0080.00816.57
7.4.100.0080.01716.36
7.4.90.0030.01316.51
7.4.80.0090.00919.39
7.4.70.0130.00316.42
7.4.60.0090.00916.38
7.4.50.0090.00616.39
7.4.40.0130.01016.29
7.4.30.0060.01516.54
7.4.00.0060.01214.92
7.3.330.0000.00513.18
7.3.320.0030.00313.31
7.3.310.0040.00416.26
7.3.300.0030.00316.32
7.3.290.0070.00016.17
7.3.280.0090.00916.33
7.3.270.0130.00717.40
7.3.260.0100.00716.61
7.3.250.0130.00416.33
7.3.240.0100.00816.60
7.3.230.0060.01216.39
7.3.210.0030.01516.56
7.3.200.0090.00919.39
7.3.190.0160.00716.30
7.3.180.0070.01016.37
7.3.170.0040.01216.35
7.3.160.0120.00316.59
7.3.120.0070.01114.57
7.3.110.0130.00614.91
7.3.100.0120.00615.11
7.3.90.0080.00814.73
7.3.80.0140.00314.79
7.3.70.0040.01114.96
7.3.60.0100.00714.80
7.3.50.0000.01314.97
7.3.40.0000.01114.88
7.3.30.0070.00614.89
7.3.20.0110.00416.61
7.3.10.0030.00616.69
7.3.00.0060.01116.84
7.2.330.0000.01716.74
7.2.320.0040.01216.82
7.2.310.0040.01516.51
7.2.300.0100.01416.84
7.2.290.0060.01216.52
7.2.250.0060.01215.04
7.2.240.0090.00914.72
7.2.230.0110.00414.86
7.2.220.0060.01315.26
7.2.210.0000.01615.08
7.2.200.0030.01015.23
7.2.190.0030.01315.10
7.2.180.0030.00715.24
7.2.170.0070.00714.98
7.2.60.0070.00716.94
7.2.00.0080.00319.18
7.1.330.0030.00915.39
7.1.320.0090.00015.86
7.1.310.0030.00615.86
7.1.300.0040.00715.68
7.1.290.0000.00915.80
7.1.280.0030.01015.94
7.1.270.0030.01015.46
7.1.260.0030.00615.72
7.1.200.0040.01115.77
7.1.100.0080.00317.80
7.1.70.0050.00317.11
7.1.60.0100.01619.40
7.1.50.0130.01016.68
7.1.00.0030.07722.48
7.0.200.0000.00916.71
7.0.60.0170.08321.75
7.0.50.0030.05718.00
7.0.40.0130.08020.26
7.0.30.0270.06020.16
7.0.20.0370.07320.05
7.0.10.0070.04020.05
7.0.00.0130.03320.24
5.6.280.0000.03721.02
5.6.210.0130.07720.63
5.6.200.0000.09318.25
5.6.190.0070.07020.66
5.6.180.0230.08720.34
5.6.170.0100.05020.56
5.6.160.0100.05720.47
5.6.150.0100.08018.12
5.6.140.0100.06718.12
5.6.130.0100.07718.12
5.6.120.0000.04321.02
5.6.110.0030.04021.02
5.6.100.0100.08320.98
5.6.90.0100.04720.97
5.6.80.0000.09020.40
5.5.350.0200.08320.44
5.5.340.0100.05317.99
5.5.330.0100.07720.38
5.5.320.0330.04320.22
5.5.310.0230.06320.34
5.5.300.0070.08018.03
5.5.290.0130.06718.08
5.5.280.0170.06720.65
5.5.270.0070.07020.79
5.5.260.0000.09020.65
5.5.250.0070.06720.70
5.5.240.0130.03020.16

preferences:
49.23 ms | 400 KiB | 5 Q