3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = [ 0 => [ 'SMITH1', 'SMITH2', 'SMITH3', 'SMITH4', ], 1 =>[ 'JOHN1', 'JOHN2', 'JOHN3', 'JOHN4', ] ]; $newArr = []; foreach ($data[0] as $k=>$v){ $newArr[] = [ 'fname' => $v, 'lname' => $data[1][$k] ]; unset($data[0][$k]); unset($data[1][$k]); } print_r($data); print_r($newArr);

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)
8.3.60.0070.01118.30
8.3.50.0140.00416.48
8.3.40.0070.00718.54
8.3.30.0000.01518.79
8.3.20.0060.00320.34
8.3.10.0040.00421.73
8.3.00.0050.00320.82
8.2.180.0110.00318.41
8.2.170.0120.00922.96
8.2.160.0110.00422.15
8.2.150.0050.00224.18
8.2.140.0050.00324.66
8.2.130.0040.00422.24
8.2.120.0040.00426.35
8.2.110.0060.00322.16
8.2.100.0040.00717.84
8.2.90.0030.00519.22
8.2.80.0070.00318.05
8.2.70.0000.00917.63
8.2.60.0040.00418.16
8.2.50.0000.00818.16
8.2.40.0040.00422.23
8.2.30.0000.00821.10
8.2.20.0070.00018.14
8.2.10.0000.00918.19
8.2.00.0040.00418.23
8.1.280.0030.01425.92
8.1.270.0040.00423.85
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00424.02
8.1.230.0070.00322.07
8.1.220.0040.00417.77
8.1.210.0040.00418.77
8.1.200.0050.00517.22
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0030.00618.69
8.1.160.0000.00819.00
8.1.150.0000.00718.88
8.1.140.0060.00319.53
8.1.130.0000.00718.97
8.1.120.0050.00217.49
8.1.110.0050.00217.47
8.1.100.0000.00717.52
8.1.90.0040.00417.51
8.1.80.0000.00717.46
8.1.70.0030.00317.35
8.1.60.0040.00417.51
8.1.50.0000.00817.57
8.1.40.0030.00617.50
8.1.30.0000.01117.50
8.1.20.0000.01017.61
8.1.10.0080.00017.54
8.1.00.0040.00417.48
8.0.300.0000.00818.77
8.0.290.0070.00016.63
8.0.280.0030.00318.38
8.0.270.0000.00717.26
8.0.260.0070.00016.90
8.0.250.0030.00316.92
8.0.240.0060.00316.83
8.0.230.0000.00716.95
8.0.220.0030.00616.83
8.0.210.0050.00316.78
8.0.200.0000.00716.84
8.0.190.0040.00416.93
8.0.180.0070.00016.91
8.0.170.0000.00816.90
8.0.160.0040.00416.93
8.0.150.0000.00816.93
8.0.140.0030.00316.75
8.0.130.0000.00713.35
8.0.120.0000.00916.75
8.0.110.0030.00516.91
8.0.100.0000.00816.92
8.0.90.0000.00716.94
8.0.80.0150.00016.95
8.0.70.0040.00416.78
8.0.60.0000.00816.76
8.0.50.0000.00716.77
8.0.30.0080.01217.12
8.0.20.0100.00917.40
8.0.10.0040.00416.96
8.0.00.0070.01416.89
7.4.330.0020.00215.55
7.4.320.0060.00016.53
7.4.300.0030.00316.42
7.4.290.0030.00616.40
7.4.280.0040.00416.64
7.4.270.0000.00716.52
7.4.260.0030.00516.40
7.4.250.0000.00716.41
7.4.240.0000.00716.60
7.4.230.0000.00716.32
7.4.220.0090.00916.55
7.4.210.0070.01216.62
7.4.200.0030.00316.41
7.4.160.0110.00516.59
7.4.150.0090.00917.40
7.4.140.0100.01017.86
7.4.130.0100.00916.69
7.4.120.0100.00916.59
7.4.110.0060.01016.60
7.4.100.0070.01416.60
7.4.90.0110.00716.48
7.4.80.0110.00719.39
7.4.70.0150.00616.66
7.4.60.0060.01616.56
7.4.50.0090.00616.53
7.4.40.0130.00316.32
7.4.30.0080.00816.45
7.4.00.0060.01114.90
7.3.330.0070.00013.31
7.3.320.0000.00513.17
7.3.310.0030.00316.34
7.3.300.0000.00716.19
7.3.290.0000.00716.18
7.3.280.0090.00816.33
7.3.270.0070.01117.40
7.3.260.0110.00616.42
7.3.250.0140.00516.47
7.3.240.0100.01016.36
7.3.230.0130.00316.27
7.3.210.0120.00616.38
7.3.200.0030.01316.57
7.3.190.0120.00616.66
7.3.180.0150.00916.73
7.3.170.0080.00816.33
7.3.160.0090.00616.52
7.3.120.0050.00914.72
7.3.110.0030.01514.84
7.3.100.0060.01114.87
7.3.90.0070.00714.77
7.3.80.0060.00814.89
7.3.70.0050.00914.85
7.3.60.0040.01014.73
7.3.50.0070.00414.80
7.3.40.0020.01314.85
7.3.30.0050.00814.69
7.3.20.0070.00516.56
7.3.10.0040.01016.52
7.3.00.0070.00416.48
7.2.330.0090.00816.72
7.2.320.0130.00316.42
7.2.310.0090.00616.54
7.2.300.0150.00716.72
7.2.290.0070.01016.63
7.2.250.0030.01614.84
7.2.240.0050.01315.03
7.2.230.0050.00915.03
7.2.220.0080.00415.17
7.2.210.0020.01015.14
7.2.200.0080.00515.23
7.2.190.0090.00515.15
7.2.180.0030.00815.18
7.2.170.0070.00715.11
7.2.160.0060.00915.08
7.2.150.0040.01116.99
7.2.140.0070.00716.92
7.2.130.0070.00416.83
7.2.120.0110.00717.05
7.2.110.0080.00816.99
7.2.100.0030.00716.97
7.2.90.0070.00716.98
7.2.80.0110.00316.71
7.2.70.0090.00917.07
7.2.60.0070.00816.93
7.2.50.0100.00717.00
7.2.40.0090.00616.98
7.2.30.0030.01017.16
7.2.20.0000.01216.92
7.2.10.0060.00916.77
7.2.00.0110.00818.06
7.1.330.0100.00515.82
7.1.320.0100.00315.86
7.1.310.0020.01315.64
7.1.300.0060.00715.91
7.1.290.0040.00815.82
7.1.280.0100.00515.67
7.1.270.0070.00415.82
7.1.260.0040.00615.71
7.1.250.0030.00915.92
7.1.240.0030.01415.89
7.1.230.0000.01415.85
7.1.220.0040.00715.89
7.1.210.0000.01515.61
7.1.200.0050.00715.70
7.1.190.0050.00515.82
7.1.180.0030.01015.46
7.1.170.0060.01215.86
7.1.160.0090.00315.88
7.1.150.0030.01115.46
7.1.140.0000.01216.02
7.1.130.0110.00415.96
7.1.120.0060.00615.68
7.1.110.0000.01016.00
7.1.100.0090.01016.18
7.1.90.0000.01415.79
7.1.80.0100.00315.80
7.1.70.0040.00716.50
7.1.60.0220.00824.60
7.1.50.0350.00524.52
7.1.40.0210.01124.16
7.1.30.0220.01724.31
7.1.20.0270.00524.29
7.1.10.0100.01015.46
7.1.00.0120.01015.24
7.0.330.0120.00615.35
7.0.320.0040.00715.44
7.0.310.0120.00615.18
7.0.300.0070.01115.42
7.0.290.0080.00615.36
7.0.280.0040.00715.47
7.0.270.0060.00915.36
7.0.260.0070.00315.40
7.0.250.0140.00015.11
7.0.240.0040.01115.51
7.0.230.0120.00415.53
7.0.220.0140.00315.21
7.0.210.0060.00615.52
7.0.200.0270.01015.28
7.0.190.0160.00815.19
7.0.180.0150.00915.10
7.0.170.0150.01014.96
7.0.160.0140.01114.88
7.0.150.0100.01215.13
7.0.140.0140.00714.81
7.0.130.0150.00715.16
7.0.120.0120.01015.13
7.0.110.0270.01114.98
7.0.100.0130.00815.01
7.0.90.0160.00515.01
7.0.80.0120.00914.84
7.0.70.0130.00915.00
7.0.60.0130.00614.83
7.0.50.0130.00815.10
7.0.40.0150.00613.95
7.0.30.0190.00513.90
7.0.20.0130.00814.07
7.0.10.0470.00913.94
7.0.00.0150.00514.00
5.6.400.0060.00614.23
5.6.390.0120.00614.11
5.6.380.0070.00714.23
5.6.370.0030.01014.59
5.6.360.0030.01214.70
5.6.350.0070.00714.30
5.6.340.0030.00614.50
5.6.330.0000.01414.61
5.6.320.0080.00814.43
5.6.310.0040.00914.37
5.6.300.0040.00814.54
5.6.290.0060.00914.44
5.6.280.0090.00314.37
5.6.270.0000.01014.57
5.6.260.0040.00414.55
5.6.250.0060.00614.38
5.6.240.0070.00414.66
5.6.230.0110.00414.28
5.6.220.0150.00014.32
5.6.210.0030.01014.68
5.6.200.0050.00514.15
5.6.190.0000.00914.14
5.6.180.0040.01114.48
5.6.170.0060.00914.53
5.6.160.0090.00314.60
5.6.150.0100.00314.39
5.6.140.0000.01514.46
5.6.130.0070.00714.23
5.6.120.0090.00314.42
5.6.110.0050.00514.36
5.6.100.0030.01214.13
5.6.90.0000.00814.50
5.6.80.0070.00714.36
5.6.70.0070.00414.42
5.6.60.0060.00314.56
5.6.50.0060.00914.49
5.6.40.0030.00914.21
5.6.30.0040.00714.43
5.6.20.0040.00814.46
5.6.10.0000.01714.13
5.6.00.0040.01114.30

preferences:
54.92 ms | 401 KiB | 5 Q