3v4l.org

run code in 500+ PHP versions simultaneously
<?php /* TL;DR list($key, $callback) = each($callbacks); can be replaced with $key = key($callbacks); $callback = current($callbacks); next($callbacks); */ /* Original example */ $callbacks = [ 'key1' => 'value1', 'key2' => 'value2', ]; list($key, $callback) = each($callbacks); var_dump($key, $callback); // Verify which value $callbacks point to after each() has advanced the internal array pointer var_dump(current($callbacks)); /* Replacement example */ $callbacks = [ 'key1' => 'value1', 'key2' => 'value2', ]; $key = key($callbacks); $callback = current($callbacks); next($callbacks); var_dump($key, $callback); // Verify which value $callbacks point to after next() has advanced the internal array pointer var_dump(current($callbacks));

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)
8.5.70.0110.00616.92
8.5.60.0090.00617.03
8.5.50.0100.00617.02
8.5.30.0100.00817.30
8.5.20.0110.00819.41
8.5.10.0100.00816.79
8.5.00.0150.00720.03
8.4.220.0120.00819.59
8.4.210.0130.00919.55
8.4.180.0120.00919.70
8.4.170.0120.01123.86
8.4.160.0120.01023.82
8.4.150.0060.00716.94
8.4.140.0090.01117.96
8.4.130.0060.00317.97
8.4.120.0140.00720.64
8.4.110.0090.01222.35
8.4.100.0120.00917.82
8.4.90.0060.00322.54
8.4.80.0120.00919.80
8.4.70.0060.00418.11
8.4.60.0060.00520.45
8.4.50.0130.00517.93
8.4.40.0130.00717.74
8.4.30.0130.00618.70
8.4.20.0060.00323.97
8.4.10.0060.00322.55
8.3.310.0120.00818.45
8.3.300.0110.01020.75
8.3.290.0170.01120.93
8.3.280.0120.00818.28
8.3.270.0130.00716.57
8.3.260.0120.00716.87
8.3.250.0090.00918.82
8.3.240.0100.00916.60
8.3.230.0120.00816.63
8.3.220.0060.00317.12
8.3.210.0030.00516.52
8.3.200.0050.00516.69
8.3.190.0100.00918.66
8.3.180.0130.00616.45
8.3.170.0140.00416.64
8.3.160.0040.01516.47
8.3.150.0110.00718.54
8.3.140.0000.00717.05
8.3.130.0040.00418.55
8.3.120.0090.00020.71
8.3.110.0040.00420.94
8.3.100.0090.00024.06
8.3.90.0080.00026.77
8.3.80.0030.00616.50
8.3.70.0000.01616.58
8.3.60.0160.00616.75
8.3.50.0080.00823.53
8.3.40.0090.00619.27
8.3.30.0000.01418.52
8.3.20.0060.00324.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.310.0150.00518.13
8.2.300.0100.01018.85
8.2.290.0140.00520.64
8.2.280.0040.00418.34
8.2.270.0030.00617.47
8.2.260.0070.01116.59
8.2.250.0040.00416.51
8.2.240.0040.00417.37
8.2.230.0100.00622.58
8.2.220.0040.00437.54
8.2.210.0150.00026.77
8.2.200.0120.00016.88
8.2.190.0060.01116.63
8.2.180.0040.01125.92
8.2.170.0150.00022.96
8.2.160.0130.00622.96
8.2.150.0000.00825.66
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00020.93
8.2.110.0000.00820.49
8.2.100.0080.00317.78
8.2.90.0060.00317.75
8.2.80.0000.00818.89
8.2.70.0000.00817.80
8.2.60.0000.00718.03
8.2.50.0000.00719.34
8.2.40.0000.00821.07
8.2.30.0000.00719.26
8.2.20.0040.00417.96
8.2.10.0040.00419.15
8.2.00.0040.00419.34
8.1.340.0130.00919.88
8.1.330.0120.00718.20
8.1.320.0150.00416.32
8.1.310.0060.00318.53
8.1.300.0080.01118.06
8.1.290.0060.00318.88
8.1.280.0040.01125.92
8.1.270.0060.00323.82
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0070.00323.71
8.1.230.0000.01220.85
8.1.220.0000.00917.79
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0040.00417.23
8.1.180.0080.00018.97
8.1.170.0050.00518.48
8.1.160.0040.00419.03
8.1.150.0000.00718.80
8.1.140.0040.00418.81
8.1.130.0030.00317.32
8.1.120.0030.00317.42
8.1.110.0030.00617.40
8.1.100.0060.00317.43
8.1.90.0050.00217.45
8.1.80.0070.00017.25
8.1.70.0000.00717.34
8.1.60.0040.00417.52
8.1.50.0080.00017.43
8.1.40.0000.00817.56
8.1.30.0090.00017.63
8.1.20.0000.00817.64
8.1.10.0070.00017.59
8.1.00.0040.00417.42
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0030.00318.28
8.0.270.0030.00316.76
8.0.260.0030.00316.84
8.0.250.0070.00017.01
8.0.240.0000.00716.98
8.0.230.0070.00017.02
8.0.220.0000.00916.99
8.0.210.0030.00316.93
8.0.200.0030.00316.91
8.0.190.0000.00717.00
8.0.180.0050.00316.77
8.0.170.0060.00316.91
8.0.160.0040.00416.88
8.0.150.0030.00316.77
8.0.140.0000.00816.88
8.0.130.0050.00013.35
8.0.120.0070.00016.90
8.0.110.0050.00316.78
8.0.100.0040.00416.78
8.0.90.0060.00317.04
8.0.80.0080.01016.86
8.0.70.0030.00516.81
8.0.60.0040.00417.00
8.0.50.0040.00416.93
8.0.30.0170.00317.08
8.0.20.0190.00317.03
8.0.10.0040.00417.02
8.0.00.0110.00716.74
7.4.330.0050.00015.55
7.4.320.0030.00316.55
7.4.300.0040.00416.60
7.4.290.0000.00716.46
7.4.280.0050.00216.31
7.4.270.0070.00016.55
7.4.260.0030.00313.25
7.4.250.0070.00016.56
7.4.240.0020.00516.41
7.4.230.0000.00716.26
7.4.220.0000.00716.48
7.4.210.0090.00716.54
7.4.200.0030.00416.63
7.4.130.0130.00516.51
7.4.120.0100.00716.42
7.4.110.0110.01016.58
7.4.100.0040.01316.41
7.4.90.0140.01316.58
7.4.80.0100.00817.96
7.4.70.0090.01016.38
7.4.60.0100.00816.31
7.4.50.0110.01016.34
7.4.40.0070.01216.28
7.4.30.0030.01616.25
7.4.20.0090.00916.28
7.4.10.0090.00816.43
7.4.00.0060.01116.53
7.3.330.0000.00716.20
7.3.320.0000.00613.11
7.3.310.0030.00516.34
7.3.300.0030.00316.23
7.3.290.0100.00616.28
7.3.260.0000.01816.28
7.3.240.0090.01016.40
7.3.230.0080.00916.32
7.3.220.0140.00716.45
7.3.210.0100.01016.29
7.3.200.0090.01216.24
7.3.190.0120.01116.25
7.3.180.0100.01016.29
7.3.170.0150.00816.19
7.3.160.0100.01016.18
7.3.150.0030.01616.38
7.3.140.0140.00416.21
7.3.130.0080.01016.24
7.3.120.0080.01116.21
7.3.110.0080.00916.16
7.3.100.0120.00616.06
7.3.90.0070.01216.23
7.3.80.0100.00716.26
7.3.70.0120.00316.29
7.3.60.0120.00716.12
7.3.50.0060.01116.19
7.3.40.0090.00916.25
7.3.30.0100.00716.21
7.3.20.0100.00816.29
7.3.10.0090.00716.34
7.3.00.0070.00916.32
7.2.330.0140.00716.51
7.2.320.0160.00316.32
7.2.310.0120.00916.20
7.2.300.0120.00816.39
7.2.290.0070.01216.48
7.2.280.0120.00716.28
7.2.270.0090.01116.42
7.2.260.0100.00916.34
7.2.250.0090.00916.33
7.2.240.0120.00516.38
7.2.230.0070.01016.36
7.2.220.0050.01116.31
7.2.210.0060.01116.41
7.2.200.0140.00316.31
7.2.190.0110.00616.37
7.2.180.0080.00916.24
7.2.170.0090.00816.34
7.2.160.0060.01116.31
7.2.150.0190.00716.29
7.2.140.0080.01016.42
7.2.130.0110.00916.41
7.2.120.0240.01016.39
7.2.110.0020.01416.45
7.2.100.0100.00716.44
7.2.90.0090.00816.39
7.2.80.0160.00116.31
7.2.70.0150.00316.52
7.2.60.0070.01016.46
7.2.50.0070.01116.39
7.2.40.0080.01016.40
7.2.30.0060.01116.49
7.2.20.0120.00616.49
7.2.10.0090.00816.37
7.2.00.0120.00816.43

preferences:
131.86 ms | 1546 KiB | 5 Q