3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array('a0','a1','a2','a3','a4','a5'); $b=array('b0','b1','b2','b3','b4','b5'); $flip = TRUE; $merged = array_map(function($v1, $v2)use(&$flip){ if($flip = !$flip ? TRUE : FALSE) return [$v2[0], $v1[0], $v2[1], $v1[1]]; return [$v1[0], $v2[0], $v1[1], $v2[1]]; }, array_chunk($a, 2), array_chunk($b, 2)); print_r($merged);

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)
8.3.60.0150.00616.73
8.3.50.0080.00921.18
8.3.40.0140.00718.96
8.3.30.0060.00918.84
8.3.20.0050.00320.33
8.3.10.0050.00321.55
8.3.00.0080.00019.81
8.2.180.0040.01116.88
8.2.170.0140.00322.96
8.2.160.0030.01319.27
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0060.00317.75
8.2.110.0060.00322.14
8.2.100.0030.00917.75
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0050.00317.90
8.2.50.0090.00018.07
8.2.40.0040.00419.16
8.2.30.0060.00319.90
8.2.20.0000.00717.80
8.2.10.0000.00718.12
8.2.00.0000.00718.18
8.1.280.0140.00025.92
8.1.270.0130.00322.16
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0140.00322.53
8.1.230.0070.00717.42
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.25
8.1.190.0050.00516.98
8.1.180.0080.00018.10
8.1.170.0080.00018.70
8.1.160.0040.00422.05
8.1.150.0040.00418.90
8.1.140.0060.00317.40
8.1.130.0000.00717.77
8.1.120.0040.00417.37
8.1.110.0070.00017.47
8.1.100.0040.00417.47
8.1.90.0020.00517.39
8.1.80.0050.00317.48
8.1.70.0030.00517.50
8.1.60.0070.00017.54
8.1.50.0040.00417.45
8.1.40.0000.00817.54
8.1.30.0060.00617.59
8.1.20.0030.00617.49
8.1.10.0000.00817.64
8.1.00.0000.00817.54
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0070.00018.43
8.0.270.0000.00817.28
8.0.260.0030.00517.27
8.0.250.0040.00416.96
8.0.240.0030.00316.89
8.0.230.0030.00316.82
8.0.220.0070.00016.84
8.0.210.0030.00316.80
8.0.200.0000.00616.88
8.0.190.0040.00416.89
8.0.180.0000.00816.95
8.0.170.0050.00316.85
8.0.160.0030.00516.92
8.0.150.0040.00416.90
8.0.140.0000.00716.74
8.0.130.0030.00613.28
8.0.120.0080.00016.77
8.0.110.0040.00416.80
8.0.100.0040.00416.88
8.0.90.0070.00016.84
8.0.80.0070.00716.88
8.0.70.0050.00216.95
8.0.60.0000.00816.89
8.0.50.0000.00716.84
8.0.30.0130.00617.16
8.0.20.0170.00717.40
8.0.10.0030.00317.04
8.0.00.0130.00616.67
7.4.330.0050.00015.10
7.4.320.0030.00316.43
7.4.300.0000.00616.51
7.4.290.0100.00016.61
7.4.280.0000.00716.53
7.4.270.0030.00316.58
7.4.260.0050.00316.51
7.4.250.0000.00816.46
7.4.240.0030.00316.49
7.4.230.0000.00716.43
7.4.220.0040.01416.61
7.4.210.0100.01016.56
7.4.200.0070.00016.35
7.4.160.0050.01116.46
7.4.150.0120.00917.40
7.4.140.0100.01217.86
7.4.130.0070.01216.57
7.4.120.0100.00716.52
7.4.110.0030.01516.71
7.4.100.0060.01116.48
7.4.90.0140.00316.45
7.4.80.0100.00719.39
7.4.70.0060.01016.48
7.4.60.0080.00816.39
7.4.50.0060.00016.57
7.4.40.0050.01216.36
7.4.30.0090.00916.26
7.4.00.0000.01514.95
7.3.330.0060.00013.23
7.3.320.0030.00313.33
7.3.310.0030.00316.46
7.3.300.0000.00716.31
7.3.290.0090.00916.32
7.3.280.0060.01016.34
7.3.270.0100.01017.40
7.3.260.0120.00616.57
7.3.250.0110.00916.45
7.3.240.0070.01416.40
7.3.230.0070.01416.48
7.3.210.0130.00316.48
7.3.200.0090.00916.56
7.3.190.0060.01016.24
7.3.180.0070.01016.38
7.3.170.0050.01116.33
7.3.160.0120.00816.48
7.2.330.0140.00316.87
7.2.320.0040.01416.38
7.2.310.0100.00716.54
7.2.300.0100.00616.86
7.2.290.0060.01216.63
7.2.110.0200.02016.80
7.2.100.0260.00616.60
7.2.90.0330.00516.72
7.2.80.0250.01416.58
7.2.70.0240.01216.93
7.2.60.0280.00917.18
7.2.50.0340.00616.98
7.2.40.0350.00317.00
7.2.30.0270.00817.21
7.2.20.0240.00916.91
7.2.10.0260.00716.47
7.2.00.0110.01017.80
7.1.230.0230.00815.83
7.1.220.0230.00715.84
7.1.210.0240.00815.69
7.1.200.0250.00815.60
7.1.190.0160.01215.65
7.1.180.0140.01815.84
7.1.170.0300.00015.51
7.1.160.0330.00315.69
7.1.150.0200.00715.41
7.1.140.0160.00815.57
7.1.130.0260.00615.53
7.1.120.0250.00615.79
7.1.110.0250.00615.93
7.1.100.0160.00816.82
7.1.90.0110.01115.74
7.1.80.0080.00315.67
7.1.70.0090.00516.32
7.1.60.0110.00616.51
7.1.50.0130.01116.27
7.1.40.0960.00715.55
7.1.30.0060.01215.82
7.1.20.0090.00915.78
7.1.10.0160.00315.65
7.1.00.0090.04018.85
7.0.310.0350.00015.30
7.0.300.0250.00515.37
7.0.290.0320.00015.23
7.0.280.0190.01415.06
7.0.270.0260.00715.05
7.0.260.0260.00315.32
7.0.250.0130.01015.15
7.0.240.0120.01615.16
7.0.230.0090.00615.48
7.0.220.0160.00315.02
7.0.210.0060.00915.14
7.0.200.0140.00516.03
7.0.190.0120.00315.43
7.0.180.0080.00815.32
7.0.170.0130.00315.36
7.0.160.0090.00915.19
7.0.150.0120.00014.85
7.0.140.0150.00415.33
7.0.130.0130.00615.24
7.0.120.0140.00615.41
7.0.110.0120.00614.92
7.0.100.0080.01215.28
7.0.90.0120.00615.21
7.0.80.0130.00315.17
7.0.70.0170.00315.39
7.0.60.0090.04517.60
7.0.50.0050.02516.67
7.0.40.0050.04816.58
7.0.30.0340.03216.86
7.0.20.0110.02416.84
7.0.10.0080.03216.77
7.0.00.0100.04016.71
5.6.380.0180.00714.41
5.6.370.0220.00014.06
5.6.360.0130.01314.39
5.6.350.0200.00614.36
5.6.340.0170.01014.03
5.6.330.0180.00914.21
5.6.320.0130.01214.59
5.6.310.0130.00014.28
5.6.300.0070.01014.23
5.6.290.0110.00714.04
5.6.280.0050.04517.65
5.6.270.0090.00614.34
5.6.260.0090.00614.56
5.6.250.0100.00714.10
5.6.240.0120.00014.18
5.6.230.0060.00614.14
5.6.220.0040.00914.32
5.6.210.0080.04017.45
5.6.200.0060.04116.33
5.6.190.0070.04517.37
5.6.180.1980.02517.27
5.6.170.0150.04617.24
5.6.160.0110.03817.32
5.6.150.0080.04516.23
5.6.140.0070.02016.31
5.6.130.0080.04316.23
5.6.120.0080.02017.58
5.6.110.0110.03517.50
5.6.100.0080.04617.68
5.6.90.0080.04617.78
5.6.80.0050.04817.34
5.6.70.1880.02217.18
5.6.60.0110.00314.39
5.6.50.0110.00314.39
5.6.40.0070.01014.45
5.6.30.0060.00614.27
5.6.20.0060.00714.08
5.6.10.0130.00014.17
5.6.00.0110.00314.39
5.5.380.0110.00311.43
5.5.370.0070.00710.55
5.5.360.0040.00811.24
5.5.350.0020.04715.78
5.5.340.0060.04514.61
5.5.330.0070.03115.88
5.5.320.0200.02015.77
5.5.310.0180.01815.80
5.5.300.0050.02014.55
5.5.290.0060.04414.62
5.5.280.0060.02815.89
5.5.270.0050.03216.01
5.5.260.0060.02216.08
5.5.250.0160.03515.89
5.5.240.0180.03315.62
5.5.230.0080.00311.03
5.5.220.0060.00610.78
5.5.210.0110.00011.20
5.5.200.0120.00010.97
5.5.190.0060.00610.97
5.5.180.0050.00310.86
5.5.170.0060.00614.30
5.5.160.0060.00311.13
5.5.150.0090.00310.84
5.5.140.0090.00311.12
5.5.130.0040.00910.95
5.5.120.0070.00310.95
5.5.110.0060.00310.63
5.5.100.0030.00511.07
5.5.90.0000.01010.96
5.5.80.0090.00310.84
5.5.70.0100.00011.18
5.5.60.0000.01011.18
5.5.50.0100.00010.91
5.5.40.0120.00010.87
5.5.30.0060.00611.28
5.5.20.0090.00311.13
5.5.10.0000.00910.72
5.5.00.0000.00910.89
5.4.450.0380.03115.28
5.4.440.0430.02815.29
5.4.430.0460.03515.09
5.4.420.0450.03315.16
5.4.410.0430.02615.20
5.4.400.0320.03015.19
5.4.390.0340.03014.94
5.4.380.0330.03014.90
5.4.370.0420.03014.97
5.4.360.0250.04015.01
5.4.350.0380.02814.95
5.4.340.0380.03015.03
5.4.330.0070.00311.19
5.4.320.0380.03114.74
5.4.310.0450.02515.13
5.4.300.0430.02714.87
5.4.290.0340.03215.16
5.4.280.0380.02814.89
5.4.270.0350.02815.12
5.4.260.0470.02715.12
5.4.250.0350.03615.02
5.4.240.0350.03115.06
5.4.230.0410.02815.20
5.4.220.0450.02814.90
5.4.210.0450.02715.10
5.4.200.0380.03315.08
5.4.190.0450.02815.13
5.4.180.0390.03015.10
5.4.170.0530.03715.04
5.4.160.0410.03414.98
5.4.150.0370.03314.95
5.4.140.0290.03113.72
5.4.130.0390.02813.79
5.4.120.0160.02613.64
5.4.110.0080.02813.72
5.4.100.0340.02513.59
5.4.90.0390.03713.56
5.4.80.0350.02713.60
5.4.70.0100.03113.64
5.4.60.0220.03113.52
5.4.50.0120.04513.59
5.4.40.0090.03513.47
5.4.30.0060.02613.69
5.4.20.0140.02013.77
5.4.10.0110.00410.89
5.4.00.0120.00410.84

preferences:
48.8 ms | 401 KiB | 5 Q