3v4l.org

run code in 300+ PHP versions simultaneously
<?php function serializeContext($default, $optional) { return "'" . implode("', '", array_merge( $default, $optional )) . "'" ; } $a = array( array('test1', 'test2', 'test3'), array('test4', 'test5', 'test6') ); $b = array('test7'); // var_dump(serializeContext($a, $b)); // echo array_reduce($a, // function($carry, $next){ // return $carry . $next; // }, ''); // var_dump(array_reduce($a, function($carry, $next){ // return $carry .= " $next"; // })); // var_dump(array_reduce($a, function($carry, $next){ // $carry[] = $next; // return $carry; // })); array_reduce($a, function($carry, $next){ $carry[] = $next; print_r(array_column($carry)); }, array());

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)
8.3.40.0100.00518.61
8.3.30.0000.01419.23
8.3.20.0000.00820.21
8.3.10.0040.00421.82
8.3.00.0040.00418.88
8.2.170.0030.01422.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00421.09
8.2.110.0070.00321.06
8.2.100.0060.00617.63
8.2.90.0040.00419.17
8.2.80.0050.00317.97
8.2.70.0050.00317.61
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0040.00420.00
8.2.30.0040.00418.02
8.2.20.0040.00417.70
8.2.10.0000.00818.02
8.2.00.0050.00318.01
8.1.270.0040.00419.96
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00322.62
8.1.230.0040.00817.48
8.1.220.0040.00417.77
8.1.210.0030.00518.77
8.1.200.0000.00917.35
8.1.190.0080.00017.38
8.1.180.0040.00418.10
8.1.170.0060.00318.55
8.1.160.0040.00421.96
8.1.150.0000.00718.82
8.1.140.0000.00817.43
8.1.130.0000.00717.80
8.1.120.0000.00717.54
8.1.110.0080.00017.37
8.1.100.0020.00517.43
8.1.90.0040.00417.40
8.1.80.0030.00317.43
8.1.70.0030.00317.50
8.1.60.0030.00617.65
8.1.50.0030.00517.52
8.1.40.0040.00417.54
8.1.30.0000.00917.66
8.1.20.0000.00717.67
8.1.10.0040.00817.61
8.1.00.0040.00417.55
8.0.300.0050.00318.77
8.0.290.0000.00716.63
8.0.280.0040.00418.47
8.0.270.0000.00817.16
8.0.260.0000.00617.22
8.0.250.0070.00016.92
8.0.240.0040.00416.99
8.0.230.0040.00416.94
8.0.220.0070.00016.81
8.0.210.0000.00716.88
8.0.200.0020.00517.06
8.0.190.0040.00417.04
8.0.180.0000.00816.87
8.0.170.0040.00417.00
8.0.160.0040.00417.02
8.0.150.0000.00816.96
8.0.140.0000.00716.83
8.0.130.0000.00513.39
8.0.120.0080.00016.95
8.0.110.0040.00417.00
8.0.100.0040.00416.84
8.0.90.0070.00016.96
8.0.80.0080.00816.95
8.0.70.0050.00316.99
8.0.60.0040.00417.02
8.0.50.0000.00816.93
8.0.30.0090.00717.16
8.0.20.0120.00917.40
8.0.10.0070.00017.05
8.0.00.0080.01016.69
7.4.330.0050.00015.14
7.4.320.0000.00616.59
7.4.300.0060.00016.63
7.4.290.0040.00416.51
7.4.280.0050.00316.65
7.4.270.0000.00816.52
7.4.260.0040.00416.55
7.4.250.0080.00016.47
7.4.240.0000.00816.63
7.4.230.0000.00716.68
7.4.220.0120.00616.57
7.4.210.0030.01116.62
7.4.200.0030.00516.42
7.4.160.0130.00316.48
7.4.150.0090.00917.40
7.4.140.0090.00917.86
7.4.130.0130.00616.55
7.4.120.0070.01016.51
7.4.110.0100.00716.41
7.4.100.0150.00616.40
7.4.90.0090.00816.65
7.4.80.0120.00619.39
7.4.70.0100.00716.67
7.4.60.0100.01016.67
7.4.50.0060.00316.64
7.4.40.0030.01116.52
7.4.30.0150.00216.47
7.4.00.0000.01515.16
7.3.330.0030.00513.23
7.3.320.0030.00313.13
7.3.310.0000.00616.36
7.3.300.0000.00716.41
7.3.290.0080.00916.33
7.3.280.0110.00616.33
7.3.270.0090.00917.40
7.3.260.0120.00916.42
7.3.250.0080.01316.42
7.3.240.0120.00616.58
7.3.230.0110.01116.39
7.3.210.0060.00916.58
7.3.200.0040.01219.39
7.3.190.0040.01216.58
7.3.180.0060.00916.27
7.3.170.0060.01216.41
7.3.160.0090.00616.55
7.2.330.0110.00516.37
7.2.320.0090.00916.50
7.2.310.0160.00016.63
7.2.300.0120.00416.67
7.2.290.0100.00716.58
7.2.60.0030.00916.89
7.2.00.0090.00319.36
7.1.100.0060.00618.23
7.1.70.0000.00817.15
7.1.60.0060.01619.48
7.1.50.0040.01816.91
7.1.00.0000.07722.33
7.0.200.0080.00416.72
7.0.60.0000.07720.04
7.0.50.0100.07717.85
7.0.40.0070.07020.30
7.0.30.0230.04720.34
7.0.20.0170.04320.03
7.0.10.0070.07720.19
7.0.00.0130.08720.33
5.6.280.0030.07320.93
5.6.210.0130.08020.55
5.6.200.0200.07318.20
5.6.190.0130.05020.46
5.6.180.0270.04720.67
5.6.170.0130.04720.61
5.6.160.0030.05320.43
5.6.150.0070.08018.18
5.6.140.0070.04718.14
5.6.130.0070.07018.16
5.6.120.0070.04721.01
5.6.110.0130.06721.09
5.6.100.0100.06021.14
5.6.90.0100.08021.11
5.6.80.0130.06720.42
5.5.350.0200.07720.53
5.5.340.0030.04717.95
5.5.330.0030.08720.42
5.5.320.0470.06720.36
5.5.310.0270.04020.34
5.5.300.0100.05017.98
5.5.290.0070.08017.97
5.5.280.0070.08020.81
5.5.270.0100.06720.79
5.5.260.0170.07020.89
5.5.250.0100.08020.70
5.5.240.0030.06720.17
5.4.450.0070.06719.41
5.4.440.0500.06019.16
5.4.430.0770.04719.34
5.4.420.0000.06719.44
5.4.410.0130.05019.35
5.4.400.0100.05319.38
5.4.390.0100.05719.07
5.4.380.0100.05719.02
5.4.370.0200.04319.16
5.4.360.0170.04319.24
5.4.350.0100.05719.21
5.4.340.0100.05319.26
5.4.320.0100.06319.11
5.4.310.0130.05019.26
5.4.300.0130.05019.16
5.4.290.0200.05719.24
5.4.280.0170.04319.10
5.4.270.0170.04719.01
5.4.260.0100.05719.11
5.4.250.0200.05319.12
5.4.240.0070.06019.12
5.4.230.0100.05319.10
5.4.220.0070.06019.19
5.4.210.0170.05319.25
5.4.200.0130.04716.81
5.4.190.0200.04719.22
5.4.180.0070.06019.14
5.4.170.0100.05719.01
5.4.160.0170.05019.22
5.4.150.0100.05319.00
5.4.140.0070.06316.52
5.4.130.0070.06316.48
5.4.120.0100.05016.48
5.4.110.0070.05316.55
5.4.100.0100.05716.63
5.4.90.0130.05016.57
5.4.80.0130.04716.24
5.4.70.0170.05316.23
5.4.60.0100.05016.48
5.4.50.0130.04316.31
5.4.40.0070.05316.38
5.4.30.0170.04316.43
5.4.20.0100.05016.50
5.4.10.0130.04716.44
5.4.00.0170.04315.93
5.3.290.0000.06314.52
5.3.280.0100.05314.57
5.3.270.0130.05014.46
5.3.260.0070.06014.56
5.3.250.0000.06014.68
5.3.240.0100.05014.52
5.3.230.0200.04714.63
5.3.220.0030.06314.47
5.3.210.0070.05714.50
5.3.200.0070.05714.57
5.3.190.0030.05714.52
5.3.180.0170.04714.61
5.3.170.0100.06014.61
5.3.160.0170.04714.47
5.3.150.0230.04014.48
5.3.140.0000.06314.49
5.3.130.0030.06014.46
5.3.120.0100.05714.46
5.3.110.0100.05314.53
5.3.100.0030.05713.89
5.3.90.0170.04313.93
5.3.80.0100.05313.99
5.3.70.0100.04714.01
5.3.60.0070.05313.91
5.3.50.0030.05714.10
5.3.40.0070.05014.11
5.3.30.0170.04013.91
5.3.20.0070.05313.77
5.3.10.0100.05013.59
5.3.00.0100.05313.50
5.2.170.0070.04311.22
5.2.160.0170.03311.28
5.2.150.0070.04311.22
5.2.140.0100.04011.05
5.2.130.0100.03711.07
5.2.120.0130.03311.21
5.2.110.0030.04311.21
5.2.100.0070.03711.01
5.2.90.0100.03711.02
5.2.80.0070.04711.04
5.2.70.0130.03311.00
5.2.60.0100.03711.11
5.2.50.0000.04711.13
5.2.40.0070.04010.98
5.2.30.0000.06311.11
5.2.20.0200.04010.86
5.2.10.0100.03710.72
5.2.00.0100.03710.62
5.1.60.0070.0339.93
5.1.50.0100.0439.99
5.1.40.0100.03010.02
5.1.30.0200.03710.34
5.1.20.0030.04010.27
5.1.10.0070.04010.11
5.1.00.0070.03310.07
5.0.50.0070.0378.43
5.0.40.0070.0238.34
5.0.30.0070.0408.33
5.0.20.0000.0308.09
5.0.10.0030.0308.06
5.0.00.0070.0408.09
4.4.90.0030.0205.85
4.4.80.0000.0235.73
4.4.70.0000.0235.77
4.4.60.0030.0235.93
4.4.50.0030.0235.87
4.4.40.0000.0405.75
4.4.30.0000.0305.75
4.4.20.0070.0175.90
4.4.10.0130.0205.83
4.4.00.0070.0335.86
4.3.110.0030.0275.82
4.3.100.0030.0205.79
4.3.90.0070.0175.75
4.3.80.0030.0335.80
4.3.70.0000.0235.80
4.3.60.0030.0205.80
4.3.50.0030.0205.74
4.3.40.0070.0305.73
4.3.30.0030.0204.42
4.3.20.0030.0204.41
4.3.10.0000.0234.48
4.3.00.0030.0206.57

preferences:
46.61 ms | 400 KiB | 5 Q