3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array( 'one' => 'hi there', 'two' => 'hello there', 'three' => array( 'one' => 'hey d00d', 'two' => 'greetings', ), ); $gather = array(); function step_and_gather($item, $key, &$gather) { $gather[] = $item; echo "==> Gathering at {$key}\n"; print_r($gather); } array_walk_recursive($arr, 'step_and_gather', $gather); echo "==> Final answer <==\n"; print_r($arr);

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)
8.3.70.0130.01018.61
8.3.60.0040.01516.62
8.3.50.0100.00821.95
8.3.40.0040.01118.84
8.3.30.0080.00819.04
8.3.20.0060.00320.34
8.3.10.0040.00423.51
8.3.00.0080.01119.50
8.2.180.0120.00918.54
8.2.170.0130.00322.96
8.2.160.0030.01020.35
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0110.00726.16
8.2.120.0040.00422.14
8.2.110.0090.00022.08
8.2.100.0120.00017.84
8.2.90.0060.00319.17
8.2.80.0000.00818.05
8.2.70.0030.00617.38
8.2.60.0000.00818.05
8.2.50.0050.00318.07
8.2.40.0060.00318.16
8.2.30.0060.00318.21
8.2.20.0000.00817.91
8.2.10.0050.00319.96
8.2.00.0080.00017.86
8.1.280.0120.00325.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00623.83
8.1.230.0070.00419.10
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0000.00917.23
8.1.190.0040.00417.40
8.1.180.0040.00418.10
8.1.170.0040.00418.64
8.1.160.0000.00821.99
8.1.150.0000.00818.61
8.1.140.0000.00817.39
8.1.130.0040.00417.79
8.1.120.0000.00817.23
8.1.110.0070.00017.35
8.1.100.0000.00817.34
8.1.90.0040.00417.34
8.1.80.0040.00417.38
8.1.70.0030.00317.24
8.1.60.0040.00417.48
8.1.50.0000.00817.51
8.1.40.0040.00417.45
8.1.30.0030.00517.48
8.1.20.0040.00417.46
8.1.10.0000.00817.40
8.1.00.0040.00417.33
8.0.300.0000.00718.77
8.0.290.0020.00517.05
8.0.280.0040.00418.43
8.0.270.0040.00417.29
8.0.260.0000.00716.87
8.0.250.0000.00717.04
8.0.240.0060.00316.89
8.0.230.0050.00217.04
8.0.220.0030.00316.92
8.0.210.0040.00416.94
8.0.200.0030.00316.90
8.0.190.0000.00716.91
8.0.180.0000.00716.93
8.0.170.0030.00616.99
8.0.160.0070.00016.82
8.0.150.0070.00016.96
8.0.140.0040.00416.91
8.0.130.0060.00013.47
8.0.120.0000.00916.87
8.0.110.0080.00016.96
8.0.100.0040.00416.98
8.0.90.0040.00416.85
8.0.80.0030.01316.88
8.0.70.0030.00516.95
8.0.60.0080.00016.99
8.0.50.0040.00416.99
8.0.30.0120.00717.10
8.0.20.0050.01417.40
8.0.10.0040.00417.03
8.0.00.0130.00816.95
7.4.330.0050.00015.00
7.4.320.0060.00016.34
7.4.300.0000.00616.30
7.4.290.0040.00416.39
7.4.280.0000.00716.38
7.4.270.0000.00716.45
7.4.260.0000.00716.42
7.4.250.0000.00816.50
7.4.240.0020.00516.46
7.4.230.0030.00316.63
7.4.220.0090.00916.49
7.4.210.0050.01016.57
7.4.200.0000.00716.25
7.4.190.0050.00216.70
7.4.160.0040.01216.22
7.4.150.0130.00717.40
7.4.140.0110.00717.86
7.4.130.0100.00616.52
7.4.120.0060.01216.45
7.4.110.0060.01016.68
7.4.100.0030.01916.44
7.4.90.0090.00916.49
7.4.80.0120.01119.39
7.4.70.0070.01016.48
7.4.60.0150.00616.64
7.4.50.0000.00816.34
7.4.40.0030.00722.77
7.4.30.0120.00316.37
7.4.00.0000.01414.73
7.3.330.0050.00013.22
7.3.320.0050.00013.24
7.3.310.0030.00316.33
7.3.300.0030.00316.24
7.3.290.0140.00016.36
7.3.280.0130.00416.30
7.3.270.0080.01017.40
7.3.260.0170.00316.43
7.3.250.0120.01116.35
7.3.240.0100.01016.56
7.3.230.0040.01316.54
7.3.210.0120.01216.35
7.3.200.0160.00619.39
7.3.190.0110.00616.63
7.3.180.0060.01016.57
7.3.170.0120.00316.44
7.3.160.0100.00616.29
7.3.120.0030.01414.51
7.3.10.0070.00716.60
7.3.00.0060.00616.62
7.2.330.0030.01416.64
7.2.320.0000.01716.70
7.2.310.0110.00516.73
7.2.300.0110.00716.70
7.2.290.0030.01416.60
7.2.130.0060.00716.66
7.2.120.0070.00716.95
7.2.110.0000.01416.85
7.2.100.0000.01016.83
7.2.90.0090.00316.81
7.2.80.0100.00316.78
7.2.70.0030.00716.85
7.2.60.0060.00616.95
7.2.50.0040.00716.91
7.2.40.0090.00617.09
7.2.30.0090.00616.93
7.2.20.0000.01216.91
7.2.10.0100.00616.81
7.2.00.0070.00718.20
7.1.250.0070.00715.59
7.1.200.0140.00015.46
7.1.100.0040.01118.09
7.1.70.0000.01117.34
7.1.60.0100.01419.33
7.1.50.0090.01216.97
7.1.00.0070.06722.32
7.0.200.0080.00016.82
7.0.140.0030.06721.99
7.0.100.0030.08319.96
7.0.90.0070.05020.16
7.0.80.0330.07319.98
7.0.70.0000.05019.88
7.0.60.0100.05019.95
7.0.50.0100.06720.27
7.0.40.0100.05020.05
7.0.30.0000.08720.05
7.0.20.0000.08020.19
7.0.10.0070.05020.12
7.0.00.0070.06720.18
5.6.280.0030.07021.11
5.6.250.0070.04720.63
5.6.240.0070.04320.70
5.6.230.0070.07320.52
5.6.220.0070.07320.71
5.6.210.0070.07320.66
5.6.200.0070.06720.95
5.6.190.0170.07721.03
5.6.180.0070.08320.96
5.6.170.0200.07321.09
5.6.160.0100.03721.17
5.6.150.0130.04320.95
5.6.140.0070.08321.04
5.6.130.0100.07321.01
5.6.120.0100.09020.96
5.6.110.0100.06721.06
5.6.100.0100.04721.04
5.6.90.0230.03721.03
5.6.80.0070.08720.41
5.6.70.0130.06020.41
5.6.60.0100.07320.31
5.6.50.0070.04720.44
5.6.40.0100.04320.34
5.6.30.0130.08720.32
5.6.20.0170.07020.43
5.6.10.0070.04020.31
5.6.00.0130.08020.39
5.5.380.0100.07320.38
5.5.370.0070.07720.36
5.5.360.0070.04720.34
5.5.350.0100.08020.34
5.5.340.0100.08320.90
5.5.330.0070.08320.93
5.5.320.0070.08020.88
5.5.310.0100.08020.79
5.5.300.0200.07320.77
5.5.290.0100.08720.84
5.5.280.0100.05020.89
5.5.270.0070.08020.64
5.5.260.0170.06020.88
5.5.250.0170.07320.57
5.5.240.0030.08320.27
5.5.230.0100.07720.14
5.5.220.0070.07720.29
5.5.210.0030.06020.00
5.5.200.0130.06320.26
5.5.190.0130.04320.23
5.5.180.0070.08720.08
5.5.160.0130.07320.15
5.5.150.0070.08320.27
5.5.140.0070.08720.00
5.5.130.0070.07720.23
5.5.120.0100.07320.20
5.5.110.0130.04020.17
5.5.100.0100.08320.06
5.5.90.0100.07320.16
5.5.80.0070.06719.94
5.5.70.0200.04020.06
5.5.60.0000.08020.15
5.5.50.0100.07319.96
5.5.40.0130.07720.09
5.5.30.0100.07020.03
5.5.20.0070.08020.07
5.5.10.0200.07320.02
5.5.00.0130.07020.03
5.4.450.0030.08019.54
5.4.440.0170.06319.53
5.4.430.0130.06319.37
5.4.420.0070.08019.19
5.4.410.0070.07719.32
5.4.400.0130.06319.24
5.4.390.0030.04719.13
5.4.380.0070.07319.03
5.4.370.0130.06719.13
5.4.360.0130.07319.04
5.4.350.0070.08319.20
5.4.340.0030.08019.12
5.4.320.0100.04719.03
5.4.310.0000.06019.15
5.4.300.0100.07019.04
5.4.290.0130.03019.04
5.4.280.0170.06719.00
5.4.270.0070.08719.20
5.4.260.0170.06719.03
5.4.250.0070.07318.89
5.4.240.0070.06319.12
5.4.230.0100.07718.96
5.4.220.0070.08019.11
5.4.210.0130.07719.23
5.4.200.0100.06718.84
5.4.190.0000.05019.22
5.4.180.0130.05319.13
5.4.170.0130.03319.08
5.4.160.0030.03318.86
5.4.150.0070.07319.12
5.4.140.0030.06716.25
5.4.130.0000.06316.38
5.4.120.0100.07316.38
5.4.110.0070.05316.46
5.4.100.0130.06716.50
5.4.90.0030.04316.24
5.4.80.0030.05016.41
5.4.70.0030.05016.45
5.4.60.0100.06316.48
5.4.50.0170.05016.45
5.4.40.0000.08016.53
5.4.30.0070.06716.48
5.4.20.0130.07016.36
5.4.10.0000.05016.37
5.4.00.0070.06315.68
5.3.290.0070.07014.59
5.3.280.0030.07314.66
5.3.270.0000.04014.70
5.3.260.0100.07314.70
5.3.250.0000.08014.71
5.3.240.0070.04314.57
5.3.230.0030.07314.69
5.3.220.0130.04714.50
5.3.210.0070.06014.71
5.3.200.0170.06014.54
5.3.190.0000.07714.64
5.3.180.0000.08314.57
5.3.170.0000.08314.56
5.3.160.0030.04314.63
5.3.150.0070.07314.67
5.3.140.0030.04314.57
5.3.130.0130.07314.67
5.3.120.0070.07714.64
5.3.110.0070.07014.52
5.3.100.0130.06713.96
5.3.90.0030.07713.93
5.3.80.0070.04013.93
5.3.70.0170.06013.80
5.3.60.0100.07313.85
5.3.50.0100.07313.68
5.3.40.0070.06313.87
5.3.30.0070.06013.67
5.3.20.0130.06713.58
5.3.10.0100.06013.64
5.3.00.0170.05013.70
5.2.170.0030.05312.31
5.2.160.0030.05712.31
5.2.150.0070.06312.31
5.2.140.0070.03312.31
5.2.130.0070.06012.31
5.2.120.0100.02712.31
5.2.110.0070.05312.31
5.2.100.0100.04012.31
5.2.90.0000.04312.31
5.2.80.0170.02712.31
5.2.70.0000.06312.31
5.2.60.0030.06012.31
5.2.50.0030.04312.31
5.2.40.0070.05012.31
5.2.30.0100.05712.31
5.2.20.0170.04312.31
5.2.10.0070.03012.31
5.2.00.0000.03712.31
5.1.60.0000.02712.31
5.1.50.0070.02712.31
5.1.40.0030.02712.31
5.1.30.0030.05712.31
5.1.20.0000.04012.31
5.1.10.0030.05712.31
5.1.00.0000.06012.31
5.0.50.0030.03012.31
5.0.40.0000.04312.31
5.0.30.0000.03712.31
5.0.20.0070.04312.31
5.0.10.0030.03012.31
5.0.00.0030.03712.31
4.4.90.0030.03012.31
4.4.80.0070.03012.31
4.4.70.0030.02712.31
4.4.60.0000.02312.31
4.4.50.0000.01712.31
4.4.40.0030.04312.31
4.4.30.0030.03712.31
4.4.20.0000.01712.31
4.4.10.0070.01312.31
4.4.00.0030.05312.31
4.3.110.0000.02012.31
4.3.100.0030.03712.31
4.3.90.0000.02312.31
4.3.80.0030.04712.31
4.3.70.0000.03712.31
4.3.60.0030.03712.31
4.3.50.0070.03012.31
4.3.40.0070.04712.31
4.3.30.0030.03312.31
4.3.20.0030.03312.31
4.3.10.0030.03012.31
4.3.00.0000.03712.31

preferences:
54.52 ms | 401 KiB | 5 Q