3v4l.org

run code in 300+ PHP versions simultaneously
<?php function array_map_via_callback($f, $a) { $o = []; $c = function ($v) use (&$o) { $o[] = $v; }; foreach ($a as $k => $v) $f($v, $c); return $o; } // Mapping $x => $x ^ 2 function forClassicMap($x) { return $x * $x; } $mapped1 = array_map('forClassicMap', [1, 2, 3]); // Mapping $x => $x ^ 2 via callback function forMapViaCallback($x, $callback) { $callback($x * $x); } $mapped2 = array_map_via_callback('forMapViaCallback', [1, 2, 3]); var_dump($mapped1, $mapped2);

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)
8.3.60.0130.00318.31
8.3.50.0140.00318.07
8.3.40.0090.00619.02
8.3.30.0090.00618.83
8.3.20.0000.00820.33
8.3.10.0080.00020.98
8.3.00.0000.00820.89
8.2.180.0100.01018.29
8.2.170.0210.00022.96
8.2.160.0030.01019.50
8.2.150.0040.00425.66
8.2.140.0020.00524.66
8.2.130.0040.00421.00
8.2.120.0040.00426.35
8.2.110.0070.00322.25
8.2.100.0110.00317.88
8.2.90.0050.00319.30
8.2.80.0080.00017.97
8.2.70.0000.00817.38
8.2.60.0050.00317.92
8.2.50.0000.00818.10
8.2.40.0060.00322.20
8.2.30.0000.00719.40
8.2.20.0040.00418.15
8.2.10.0000.00718.10
8.2.00.0030.00618.23
8.1.280.0000.01425.92
8.1.270.0080.00023.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00523.98
8.1.230.0030.00822.08
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0100.00017.35
8.1.190.0050.00317.35
8.1.180.0000.00918.10
8.1.170.0030.00618.66
8.1.160.0050.00218.92
8.1.150.0040.00418.79
8.1.140.0000.00919.49
8.1.130.0000.00718.81
8.1.120.0040.00217.48
8.1.110.0040.00417.45
8.1.100.0050.00317.37
8.1.90.0030.00517.44
8.1.80.0050.00217.46
8.1.70.0030.00517.36
8.1.60.0040.00417.55
8.1.50.0040.00417.54
8.1.40.0080.00017.47
8.1.30.0040.00517.48
8.1.20.0050.00317.63
8.1.10.0000.00817.46
8.1.00.0070.00417.39
8.0.300.0040.00419.82
8.0.290.0000.00716.75
8.0.280.0000.00718.44
8.0.270.0030.00317.13
8.0.260.0000.00618.87
8.0.250.0030.00316.83
8.0.240.0000.00717.02
8.0.230.0070.00016.92
8.0.220.0000.01016.87
8.0.210.0040.00416.94
8.0.200.0040.00416.83
8.0.190.0000.00816.84
8.0.180.0000.00716.80
8.0.170.0030.00616.79
8.0.160.0000.00816.88
8.0.150.0040.00416.89
8.0.140.0050.00316.91
8.0.130.0060.00013.32
8.0.120.0080.00316.82
8.0.110.0000.00716.75
8.0.100.0040.00417.00
8.0.90.0000.00816.95
8.0.80.0070.01316.91
8.0.70.0070.00016.91
8.0.60.0030.00516.83
8.0.50.0100.00016.71
8.0.30.0060.01416.91
8.0.20.0130.00817.42
8.0.10.0000.00816.92
8.0.00.0080.00816.96
7.4.330.0000.00415.55
7.4.320.0070.00016.41
7.4.300.0030.00316.52
7.4.290.0070.00316.58
7.4.280.0090.00016.49
7.4.270.0040.00416.35
7.4.260.0000.00816.49
7.4.250.0040.00416.59
7.4.240.0040.00416.44
7.4.230.0000.00716.34
7.4.220.0060.01216.42
7.4.210.0140.00316.71
7.4.200.0030.00316.71
7.4.150.0110.00817.40
7.4.140.0100.00717.86
7.4.130.0130.00316.62
7.4.120.0090.01216.54
7.4.110.0070.01516.56
7.4.100.0080.00816.49
7.4.90.0070.01016.48
7.4.80.0120.00619.39
7.4.70.0110.00616.48
7.4.60.0080.00816.30
7.4.50.0100.00716.52
7.4.40.0100.01316.49
7.4.30.0040.01516.46
7.4.00.0070.01015.08
7.3.330.0030.00313.27
7.3.320.0030.00313.13
7.3.310.0000.00716.24
7.3.300.0050.00216.32
7.3.290.0070.00916.33
7.3.280.0090.00716.26
7.3.270.0130.00317.40
7.3.260.0070.01316.54
7.3.250.0110.00716.55
7.3.240.0100.00816.34
7.3.230.0130.00316.58
7.3.210.0110.00716.30
7.3.200.0130.00316.49
7.3.190.0080.00816.45
7.3.180.0060.01216.67
7.3.170.0080.01216.39
7.3.160.0000.01616.36
7.2.330.0200.00916.63
7.2.320.0090.00916.57
7.2.310.0150.00316.80
7.2.300.0060.01016.57
7.2.290.0130.00316.82
7.2.110.0200.02316.70
7.2.100.0450.00716.63
7.2.90.0700.00916.75
7.2.80.0540.00416.26
7.2.70.0450.01616.57
7.2.60.0240.00816.95
7.2.50.0310.01016.71
7.2.40.0340.00716.68
7.2.30.0250.01417.05
7.2.20.0240.01716.95
7.2.10.0240.01416.79
7.2.00.0280.01316.93
7.1.230.0330.01115.91
7.1.220.0220.01315.82
7.1.210.0390.01115.71
7.1.200.0260.00615.88
7.1.190.0400.01015.77
7.1.180.0280.00415.77
7.1.170.0300.01815.40
7.1.160.0340.00815.82
7.1.150.0250.01115.73
7.1.140.0370.00715.95
7.1.130.0250.01315.41
7.1.120.0260.00315.75
7.1.110.0280.01315.42
7.1.100.0370.00415.77
7.1.90.0650.00715.95
7.1.80.0260.00717.16
7.1.70.0450.00916.57
7.1.60.0240.01325.46
7.1.50.0390.01025.38
7.1.40.0260.00925.24
7.1.30.0340.01425.21
7.1.20.0400.00825.24
7.1.10.0250.01116.02
7.1.00.0110.00916.20
7.0.310.0340.00915.27
7.0.300.0450.00415.30
7.0.290.0230.01015.39
7.0.280.0270.00715.25
7.0.270.0290.00615.47
7.0.260.0360.00315.54
7.0.250.0260.01015.09
7.0.240.0380.00615.47
7.0.230.0250.01015.51
7.0.220.0470.00915.43
7.0.210.0350.01315.34
7.0.200.0240.01316.11
7.0.190.0330.01216.08
7.0.180.0420.00715.74
7.0.170.0310.01115.72
7.0.160.0280.00815.89
7.0.150.0160.01515.95
7.0.140.0170.01516.00
7.0.130.0340.00716.06
7.0.120.0340.01015.81
7.0.110.0170.00515.89
7.0.100.0230.00915.89
7.0.90.0210.01115.85
7.0.80.0190.00915.90
7.0.70.0050.01415.78
7.0.60.0230.01115.71
7.0.50.0170.01715.92
7.0.40.0130.00715.13
7.0.30.0080.01114.94
7.0.20.0170.00414.82
7.0.10.0100.01015.02
7.0.00.0090.01014.93
5.6.380.0230.00414.42

preferences:
31.24 ms | 400 KiB | 5 Q