3v4l.org

run code in 300+ PHP versions simultaneously
<?php $firstArray = array('22','24','23','26','22','24','23','26'); $secondArray = array('John','Smith','Mark','Steve','George','Nick','Sean','Brad'); $thirdArray = array('A','B','D','E','F','G','H','I'); $new1 = []; $new2 = []; $new3 = []; foreach ($firstArray as $index => $value) { if (!isset($ref[$value])) { $new1[] = &$ref[$value][0]; $new2[] = &$ref[$value][1]; $new3[] = &$ref[$value][2]; } $ref[$value][0] = $value; $ref[$value][1] = $secondArray[$index]; $ref[$value][2] = $thirdArray[$index]; } var_dump($new1, $new2, $new3);

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)
8.4.130.0140.00717.57
8.4.120.0150.00522.59
8.4.110.0100.01120.58
8.4.100.0080.01318.04
8.4.90.0130.00918.66
8.4.80.0120.00817.96
8.4.70.0060.00217.77
8.4.60.0170.00419.08
8.4.50.0120.00419.46
8.4.40.0090.00920.77
8.4.30.0130.00619.04
8.4.20.0100.01019.57
8.4.10.0160.00321.90
8.3.260.0130.00816.86
8.3.250.0070.00718.88
8.3.240.0110.00816.82
8.3.230.0120.00716.83
8.3.220.0120.00517.18
8.3.210.0080.00716.61
8.3.200.0060.00316.80
8.3.190.0110.00818.71
8.3.180.0100.00916.74
8.3.170.0090.00918.93
8.3.160.0090.00916.78
8.3.150.0090.00917.07
8.3.140.0000.00818.89
8.3.130.0080.00018.53
8.3.120.0100.00719.09
8.3.110.0050.00320.94
8.3.100.0000.00824.06
8.3.90.0060.00326.77
8.3.80.0030.00618.30
8.3.70.0060.01518.31
8.3.60.0100.01018.43
8.3.50.0120.00316.69
8.3.40.0120.00621.71
8.3.30.0150.00018.85
8.3.20.0080.00024.18
8.3.10.0080.00024.66
8.3.00.0000.00826.16
8.2.290.0060.00320.49
8.2.280.0130.00820.36
8.2.270.0140.00417.35
8.2.260.0030.00719.23
8.2.250.0030.00516.71
8.2.240.0050.00517.21
8.2.230.0000.00822.58
8.2.220.0090.00037.54
8.2.210.0070.00026.77
8.2.200.0070.00318.41
8.2.190.0130.01016.63
8.2.180.0110.01116.88
8.2.170.0130.00718.94
8.2.160.0110.00422.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0040.00419.77
8.2.110.0030.00620.76
8.2.100.0090.00317.91
8.2.90.0000.00817.75
8.2.80.0060.00618.77
8.2.70.0040.00417.73
8.2.60.0030.00617.61
8.2.50.0130.00317.25
8.2.40.0130.00417.50
8.2.30.0120.00617.50
8.2.20.0170.00017.50
8.2.10.0120.00417.62
8.2.00.0150.00217.36
8.1.330.0130.00622.27
8.1.320.0110.00816.03
8.1.310.0000.00816.85
8.1.300.0030.00619.63
8.1.290.0030.00730.84
8.1.280.0090.00925.92
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0080.00321.96
8.1.230.0040.00721.03
8.1.220.0050.00317.79
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0110.00817.13
8.1.180.0190.00016.72
8.1.170.0150.00617.10
8.1.160.0150.00317.00
8.1.150.0150.00417.38
8.1.140.0070.01116.98
8.1.130.0150.00216.74
8.1.120.0170.00016.97
8.1.110.0130.00617.13
8.1.100.0190.00016.99
8.1.90.0160.00017.25
8.1.80.0090.00817.25
8.1.70.0130.00317.09
8.1.60.0150.00417.13
8.1.50.0150.00317.00
8.1.40.0120.00717.13
8.1.30.0060.01217.50
8.1.20.0080.00817.48
8.1.10.0150.00517.38
8.1.00.0170.00017.23
8.0.300.0040.00418.77
8.0.290.0050.00516.75
8.0.280.0100.00516.50
8.0.270.0130.00316.75
8.0.260.0120.00416.50
8.0.250.0170.00016.60
8.0.240.0110.00516.50
8.0.230.0170.00016.50
8.0.220.0110.00516.63
8.0.210.0150.00316.63
8.0.200.0160.00616.47
8.0.190.0130.00316.75
8.0.180.0130.00416.25
8.0.170.0080.00816.50
8.0.160.0130.00516.50
8.0.150.0140.00316.71
8.0.140.0080.00816.38
8.0.130.0150.00016.38
8.0.120.0100.00516.38
8.0.110.0100.00716.62
8.0.100.0160.00016.25
8.0.90.0130.00516.62
8.0.80.0060.01016.38
8.0.70.0180.00016.38
8.0.60.0140.00416.38
8.0.50.0100.00616.36
8.0.30.0100.00616.50
8.0.20.0110.00416.38
8.0.10.0160.00016.47

preferences:
26.29 ms | 403 KiB | 5 Q