3v4l.org

run code in 300+ PHP versions simultaneously
<?php function serializeContext($default, $optional) { return "'" . implode("', '", array_merge( $default, $optional )) . "'" ; } $a = array('test1', 'test2', 'test3'); $b = array('test4'); var_dump(serializeContext($a, $b)); // echo array_reduce($a, // function($carry, $next){ // return $carry . $next; // }, ''); var_dump(array_reduce($a, function($carry, $next){ return $carry .= " $next"; })); var_dump(serializeContext(explode(' ', array_reduce($a, function($carry, $next){ return $carry .= " $next"; }, 'IN')), $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)
8.3.60.0130.00318.68
8.3.50.0100.01021.28
8.3.40.0170.00318.84
8.3.30.0110.00419.08
8.3.20.0100.00621.77
8.3.10.0000.00821.73
8.3.00.0040.00419.01
8.2.180.0040.01118.29
8.2.170.0090.00922.96
8.2.160.0120.00620.37
8.2.150.0000.00824.18
8.2.140.0130.00624.66
8.2.130.0040.00426.16
8.2.120.0060.00320.85
8.2.110.0030.00720.97
8.2.100.0040.00817.63
8.2.90.0090.00019.21
8.2.80.0050.00317.97
8.2.70.0000.00917.50
8.2.60.0000.00818.16
8.2.50.0030.00918.07
8.2.40.0040.00418.22
8.2.30.0000.00818.15
8.2.20.0080.00017.82
8.2.10.0050.00318.08
8.2.00.0000.00718.14
8.1.280.0110.01125.92
8.1.270.0060.00620.38
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0000.00922.62
8.1.230.0120.00017.48
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0000.00817.35
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0030.00718.46
8.1.160.0040.00422.02
8.1.150.0000.00818.90
8.1.140.0080.00417.37
8.1.130.0000.00717.88
8.1.120.0000.00717.51
8.1.110.0080.00017.43
8.1.100.0040.00417.50
8.1.90.0020.00517.54
8.1.80.0020.00517.36
8.1.70.0030.00317.38
8.1.60.0000.00917.51
8.1.50.0000.00817.43
8.1.40.0050.00317.44
8.1.30.0030.00617.54
8.1.20.0020.00517.71
8.1.10.0050.00217.52
8.1.00.0000.00817.52
8.0.300.0000.00818.77
8.0.290.0000.00716.75
8.0.280.0030.00318.49
8.0.270.0070.00017.33
8.0.260.0050.00317.18
8.0.250.0050.00216.93
8.0.240.0040.00416.94
8.0.230.0070.00016.85
8.0.220.0070.00016.81
8.0.210.0080.00016.95
8.0.200.0030.00316.97
8.0.190.0000.00716.90
8.0.180.0030.00616.84
8.0.170.0030.00516.82
8.0.160.0070.00016.95
8.0.150.0050.00316.79
8.0.140.0070.00016.86
8.0.130.0000.00613.37
8.0.120.0000.00716.87
8.0.110.0070.00016.88
8.0.100.0040.00416.96
8.0.90.0050.00316.97
8.0.80.0070.01016.97
8.0.70.0050.00216.90
8.0.60.0040.00416.78
8.0.50.0070.00016.91
8.0.30.0080.01317.09
8.0.20.0160.00317.40
8.0.10.0040.00417.01
8.0.00.0080.01016.97
7.4.330.0050.00015.13
7.4.320.0060.00016.63
7.4.300.0000.00716.52
7.4.290.0040.00416.61
7.4.280.0000.00816.51
7.4.270.0000.00716.57
7.4.260.0080.00016.63
7.4.250.0040.00416.57
7.4.240.0040.00416.51
7.4.230.0070.00016.40
7.4.220.0070.01716.56
7.4.210.0070.00716.56
7.4.200.0030.00316.52
7.4.160.0110.00316.51
7.4.150.0090.00917.40
7.4.140.0120.00717.86
7.4.130.0130.00816.55
7.4.120.0080.01116.51
7.4.110.0060.01016.43
7.4.100.0160.00816.52
7.4.90.0100.00716.43
7.4.80.0120.00919.39
7.4.70.0050.01116.70
7.4.60.0090.00616.61
7.4.50.0080.00016.54
7.4.40.0130.00316.55
7.4.30.0070.01016.41
7.4.00.0030.01214.96
7.3.330.0050.00013.25
7.3.320.0060.00013.10
7.3.310.0050.00216.20
7.3.300.0040.00416.20
7.3.290.0060.01016.29
7.3.280.0130.00516.27
7.3.270.0100.00617.40
7.3.260.0080.00916.24
7.3.250.0120.00616.51
7.3.240.0100.00716.65
7.3.230.0130.00416.53
7.3.210.0000.01716.23
7.3.200.0030.01319.39
7.3.190.0060.00916.37
7.3.180.0120.00316.18
7.3.170.0070.01316.50
7.3.160.0130.00316.58
7.3.10.0030.01016.76
7.3.00.0030.00616.76
7.2.330.0100.00716.68
7.2.320.0060.01316.70
7.2.310.0160.00316.28
7.2.300.0030.01816.66
7.2.290.0070.01016.67
7.2.130.0070.00716.79
7.2.120.0110.00416.68
7.2.110.0090.00616.74
7.2.100.0120.00316.74
7.2.90.0120.00316.73
7.2.80.0030.00716.90
7.2.70.0070.00716.96
7.2.60.0110.00416.67
7.2.50.0050.00516.98
7.2.40.0000.01516.73
7.2.30.0000.01616.80
7.2.20.0030.00917.02
7.2.10.0050.00517.03
7.2.00.0040.00818.04
7.1.250.0060.01215.57
7.1.100.0190.00618.23
7.1.70.0000.01017.12
7.1.60.0170.00719.48
7.1.50.0100.01616.78
7.1.00.0070.07322.34
7.0.200.0090.00616.81
7.0.80.0530.07019.85
7.0.70.0570.08319.89
7.0.60.0470.08320.07
7.0.50.0570.08020.36
7.0.40.0070.05320.05
7.0.30.0030.09320.07
7.0.20.0100.06020.14
7.0.10.0130.07720.10
7.0.00.0100.08320.07
5.6.280.0030.07320.80
5.6.230.0030.08720.58
5.6.220.0030.05320.71
5.6.210.0070.07320.76
5.6.200.0000.09021.07
5.6.190.0130.06321.07
5.6.180.0100.08021.04
5.6.170.0100.04321.04
5.6.160.0000.08721.08
5.6.150.0030.08321.11
5.6.140.0030.08021.04
5.6.130.0030.08021.11
5.6.120.0000.05321.17
5.6.110.0070.04020.96
5.6.100.0070.04321.00
5.6.90.0070.07721.07
5.6.80.0070.08720.36
5.6.70.0130.07020.52
5.6.60.0100.07720.48
5.6.50.0130.07020.42
5.6.40.0030.08020.47
5.6.30.0030.06720.43
5.6.20.0070.07720.30
5.6.10.0070.07720.37
5.6.00.0130.06020.28
5.5.370.0200.07020.37
5.5.360.0030.05020.43
5.5.350.0170.06720.45
5.5.340.0030.04320.92
5.5.330.0030.06320.75
5.5.320.0070.06720.77
5.5.310.0070.04320.89
5.5.300.0070.06320.65
5.5.290.0070.09020.92
5.5.280.0030.08720.74
5.5.270.0030.06020.88
5.5.260.0100.08020.64
5.5.250.0000.07720.68
5.5.240.0000.06720.20
5.5.230.0100.07720.19
5.5.220.0070.08020.20
5.5.210.0200.04320.28
5.5.200.0030.08720.24
5.5.190.0230.07020.28
5.5.180.0100.08020.19
5.5.160.0070.05320.25
5.5.150.0070.07720.09
5.5.140.0030.08020.16
5.5.130.0000.06720.15
5.5.120.0100.07720.09
5.5.110.0030.08720.08
5.5.100.0100.06720.16
5.5.90.0000.08320.17
5.5.80.0030.07020.10
5.5.70.0130.07320.06
5.5.60.0100.08020.16
5.5.50.0070.07320.12
5.5.40.0100.04020.09
5.5.30.0070.08320.06
5.5.20.0130.07320.09
5.5.10.0030.08320.09
5.5.00.0100.03720.11
5.4.450.0130.06319.21
5.4.440.0070.08019.38
5.4.430.0100.07719.44
5.4.420.0030.04319.20
5.4.410.0070.07019.34
5.4.400.0030.07718.88
5.4.390.0100.08018.95
5.4.380.0030.04018.85
5.4.370.0100.07319.13
5.4.360.0070.04719.16
5.4.350.0200.07019.09
5.4.340.0130.07319.07
5.4.320.0170.07019.05
5.4.310.0130.07018.89
5.4.300.0000.07719.03
5.4.290.0070.08018.94
5.4.280.0070.07718.84
5.4.270.0070.08019.08
5.4.260.0100.06719.13
5.4.250.0000.07019.02
5.4.240.0000.08018.98
5.4.230.0030.07318.89
5.4.220.0000.08018.84
5.4.210.0100.07319.02
5.4.200.0070.04719.18
5.4.190.0200.06319.02
5.4.180.0000.07319.13
5.4.170.0030.04319.02
5.4.160.0070.05019.11
5.4.150.0030.08019.19
5.4.140.0070.07316.47
5.4.130.0030.06716.50
5.4.120.0070.04316.50
5.4.110.0100.07016.56
5.4.100.0070.06716.39
5.4.90.0070.07316.55
5.4.80.0100.06316.42
5.4.70.0030.04016.36
5.4.60.0030.04016.32
5.4.50.0030.03716.36
5.4.40.0000.05016.42
5.4.30.0100.03316.45
5.4.20.0100.03016.39
5.4.10.0000.06316.49
5.4.00.0070.03715.88
5.3.290.0030.07014.60
5.3.280.0000.05014.66
5.3.270.0100.07014.62
5.3.260.0030.07314.70
5.3.250.0070.08014.71
5.3.240.0100.04314.56
5.3.230.0070.08314.55
5.3.220.0070.07014.52
5.3.210.0000.08314.52
5.3.200.0070.07014.71
5.3.190.0100.05714.50
5.3.180.0170.06014.57
5.3.170.0030.04014.68
5.3.160.0100.03714.70
5.3.150.0070.04014.62
5.3.140.0070.05714.62
5.3.130.0070.05714.56
5.3.120.0000.05314.48
5.3.110.0000.04014.69
5.3.100.0000.04014.02
5.3.90.0030.03714.09
5.3.80.0000.04014.03
5.3.70.0000.04014.03
5.3.60.0100.03014.11
5.3.50.0070.03314.07
5.3.40.0030.03714.03
5.3.30.0000.04314.05
5.3.20.0070.06313.77
5.3.10.0000.04313.73
5.3.00.0030.08013.65
5.2.170.0000.03711.71
5.2.160.0000.03311.71
5.2.150.0030.02711.71
5.2.140.0000.03311.71
5.2.130.0100.04711.71
5.2.120.0170.05011.71
5.2.110.0000.03311.71
5.2.100.0030.03011.71
5.2.90.0000.06311.71
5.2.80.0070.05311.71
5.2.70.0100.06011.71
5.2.60.0070.06011.71
5.2.50.0030.02711.71
5.2.40.0100.02311.71
5.2.30.0030.05311.71
5.2.20.0070.03711.71
5.2.10.0030.02711.71
5.2.00.0000.02711.71
5.1.60.0030.02311.71
5.1.50.0000.02711.71
5.1.40.0030.02311.71
5.1.30.0030.03311.71
5.1.20.0030.02311.71
5.1.10.0030.03711.71
5.1.00.0070.01711.71
5.0.50.0030.02011.71
5.0.40.0000.02011.71
5.0.30.0000.04711.71
5.0.20.0000.02311.71
5.0.10.0070.01311.71
5.0.00.0000.03711.71
4.4.90.0070.01011.71
4.4.80.0000.01711.71
4.4.70.0000.02711.71
4.4.60.0000.02311.71
4.4.50.0000.01711.71
4.4.40.0000.02711.71
4.4.30.0000.01711.71
4.4.20.0000.01311.71
4.4.10.0070.01011.71
4.4.00.0030.02711.71
4.3.110.0000.01311.71
4.3.100.0000.01711.71
4.3.90.0000.01711.71
4.3.80.0000.04011.71
4.3.70.0000.02011.71
4.3.60.0030.01311.71
4.3.50.0030.01311.71
4.3.40.0000.02311.71
4.3.30.0000.01711.71
4.3.20.0100.01711.71
4.3.10.0000.01711.71
4.3.00.0000.01311.71

preferences:
49.82 ms | 401 KiB | 5 Q