3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data_array = array('root1' => array(1,2,3), 'root2' => array(3,4,5)); foreach ($data_array as $key => $value) { echo $key.'=>'.print_r($value,true); }

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)
8.3.70.0190.00316.38
8.3.60.0180.00016.50
8.3.50.0080.01116.40
8.3.40.0070.00718.62
8.3.30.0110.00318.55
8.3.20.0040.00418.66
8.3.10.0080.00018.65
8.3.00.0050.00519.25
8.2.180.0100.01016.75
8.2.170.0100.00722.96
8.2.160.0100.00718.83
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0060.00319.77
8.2.110.0000.01219.45
8.2.100.0050.00917.84
8.2.90.0000.00817.88
8.2.80.0080.00018.78
8.2.70.0000.00817.50
8.2.60.0070.00317.50
8.2.50.0040.00417.55
8.2.40.0030.00517.63
8.2.30.0090.00017.73
8.2.20.0060.00317.64
8.2.10.0080.00017.64
8.2.00.0040.00717.72
8.1.280.0090.00925.92
8.1.270.0040.00423.99
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0060.00323.84
8.1.230.0070.00319.10
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0030.00617.23
8.1.190.0000.00817.40
8.1.180.0000.00818.10
8.1.170.0070.00017.62
8.1.160.0050.00318.93
8.1.150.0070.00318.70
8.1.140.0040.00417.44
8.1.130.0020.00519.24
8.1.120.0050.00517.44
8.1.110.0040.00417.32
8.1.100.0070.00017.45
8.1.90.0030.00417.46
8.1.80.0030.00317.33
8.1.70.0030.00317.40
8.1.60.0090.00017.56
8.1.50.0040.00417.44
8.1.40.0080.00017.50
8.1.30.0040.00717.71
8.1.20.0040.00417.57
8.1.10.0030.00617.54
8.1.00.0040.00417.30
8.0.300.0000.00819.59
8.0.290.0000.00716.63
8.0.280.0000.00718.35
8.0.270.0040.00417.18
8.0.260.0070.00016.81
8.0.250.0000.00717.00
8.0.240.0030.00516.82
8.0.230.0070.00016.99
8.0.220.0040.00416.83
8.0.210.0000.00716.89
8.0.200.0000.00716.95
8.0.190.0000.00817.00
8.0.180.0000.00816.98
8.0.170.0040.00416.92
8.0.160.0040.00416.86
8.0.150.0090.00016.69
8.0.140.0000.00816.75
8.0.130.0030.00313.29
8.0.120.0000.00916.71
8.0.110.0040.00416.70
8.0.100.0040.00416.89
8.0.90.0050.00216.71
8.0.80.0030.01216.77
8.0.70.0040.00416.93
8.0.60.0080.00016.91
8.0.50.0000.00716.74
8.0.30.0120.00916.82
8.0.20.0120.00616.99
8.0.10.0060.00316.89
8.0.00.0130.00916.71
7.4.330.0020.00212.97
7.4.320.0030.00316.50
7.4.300.0000.00716.65
7.4.290.0030.00316.61
7.4.280.0070.00016.49
7.4.270.0030.00516.57
7.4.260.0030.00313.25
7.4.250.0030.00616.38
7.4.240.0030.00316.54
7.4.230.0070.00716.38
7.4.220.0100.01316.57
7.4.210.0120.00916.65
7.4.200.0030.00316.33
7.4.190.0030.00316.40
7.4.160.0060.01316.37
7.4.150.0070.01016.37
7.4.140.0030.01317.86
7.4.130.0140.01116.56
7.4.120.0130.01016.45
7.4.110.0190.00016.39
7.4.100.0130.00916.48
7.4.90.0050.01316.20
7.4.80.0070.01019.39
7.4.70.0080.01416.42
7.4.60.0110.00616.48
7.4.50.0040.00416.49
7.4.40.0040.01216.44
7.4.30.0100.01016.38
7.4.00.0070.01014.95
7.3.330.0000.00713.23
7.3.320.0000.00613.07
7.3.310.0060.00016.18
7.3.300.0030.00316.14
7.3.290.0070.00916.31
7.3.280.0080.00616.15
7.3.270.0100.00716.50
7.3.260.0100.00716.54
7.3.240.0130.00716.42
7.3.230.0070.01016.24
7.3.210.0060.01016.23
7.3.200.0120.00916.31
7.3.190.0100.00716.25
7.3.180.0130.00316.30
7.3.170.0090.00616.61
7.3.160.0060.00916.14
7.3.120.0000.01414.87
7.2.330.0100.00716.77
7.2.320.0140.00816.78
7.2.310.0130.01016.62
7.2.300.0110.00716.75
7.2.290.0110.00716.65
7.2.60.0060.00616.82
7.2.00.0070.00718.91
7.1.200.0000.01315.45
7.1.100.0040.00818.02
7.1.70.0070.00017.13
7.1.60.0110.00419.21
7.1.50.0030.01716.91
7.1.00.0030.03322.26
7.0.200.0100.00316.79
7.0.140.0000.07722.00
7.0.120.0030.07322.02
7.0.110.0000.08719.96
7.0.100.0000.06720.10
7.0.90.0100.08019.96
7.0.80.0070.07319.92
7.0.70.0030.05020.06
7.0.60.0070.07720.04
7.0.50.0030.05719.99
7.0.40.0030.07319.79
7.0.30.0130.04719.84
7.0.20.0100.07319.71
7.0.10.0230.07019.78
7.0.00.0070.08319.67
5.6.280.0070.06720.91
5.6.260.0070.08020.65
5.6.250.0200.06720.69
5.6.240.0030.08320.64
5.6.230.0100.07720.47
5.6.220.0100.07320.53
5.6.210.0100.04320.61
5.6.200.0030.06020.57
5.6.190.0070.08320.65
5.6.180.0070.07320.71
5.6.170.0070.07320.60
5.6.160.0070.08320.65
5.6.150.0070.08020.64
5.6.140.0100.07720.64
5.6.130.0030.08320.54
5.6.120.0070.07720.63
5.6.110.0000.05320.63
5.6.100.0100.07720.66
5.6.90.0000.09320.63
5.6.80.0100.07720.03
5.6.70.0070.07720.04
5.6.60.0100.08019.84
5.6.50.0070.07319.85
5.6.40.0070.07720.02
5.6.30.0070.07319.92
5.6.20.0130.08320.00
5.6.10.0070.07720.21
5.6.00.0070.08319.97
5.5.380.0070.07017.66
5.5.370.0100.04317.72
5.5.360.0130.07017.62
5.5.350.0100.07717.75
5.5.340.0070.07318.25
5.5.330.0030.08018.25
5.5.320.0130.05717.93
5.5.310.0130.04018.12
5.5.300.0030.05018.09
5.5.290.0100.07317.91
5.5.280.0130.07018.13
5.5.270.0100.08318.12
5.5.260.0070.08017.90
5.5.250.0000.08317.74
5.5.240.0070.07717.48
5.5.230.0100.06717.61
5.5.220.0070.08317.44
5.5.210.0170.07717.21
5.5.200.0070.06317.59
5.5.190.0070.07317.45
5.5.180.0200.04717.45
5.5.160.0100.04017.28
5.5.150.0100.07017.16
5.5.140.0070.06317.30
5.5.130.0100.08017.59
5.5.120.0070.07317.48
5.5.110.0100.07317.27
5.5.100.0100.08017.39
5.5.90.0030.06017.20
5.5.80.0130.06717.17
5.5.70.0130.06717.16
5.5.60.0130.09017.34
5.5.50.0000.08317.49
5.5.40.0070.07317.31
5.5.30.0130.07017.20
5.5.20.0030.08017.28
5.5.10.0130.06717.33
5.5.00.0030.08017.33
5.4.450.0100.06019.66
5.4.440.0030.08319.52
5.4.430.0100.07719.50
5.4.420.0030.08019.41
5.4.410.0100.08019.44
5.4.400.0200.05319.03
5.4.390.0030.07319.24
5.4.380.0170.07318.98
5.4.370.0100.06319.00
5.4.360.0000.08319.24
5.4.350.0030.07718.98
5.4.340.0000.08319.22
5.4.320.0130.03319.16
5.4.310.0170.05718.97
5.4.300.0100.07719.03
5.4.290.0130.04319.08
5.4.280.0030.08719.18
5.4.270.0170.06719.31
5.4.260.0130.06719.33
5.4.250.0130.06319.17
5.4.240.0130.07319.23
5.4.230.0100.07319.13
5.4.220.0130.04019.23
5.4.210.0030.04719.18
5.4.200.0100.07319.02
5.4.190.0070.06018.99
5.4.180.0170.07018.98
5.4.170.0000.06319.13
5.4.160.0000.06318.98
5.4.150.0130.07318.99
5.4.140.0030.07316.46
5.4.130.0070.06716.41
5.4.120.0130.06016.32
5.4.110.0000.06016.54
5.4.100.0100.07016.71
5.4.90.0070.07016.58
5.4.80.0030.07316.55
5.4.70.0030.07716.49
5.4.60.0200.05316.50
5.4.50.0070.07016.52
5.4.40.0100.07016.59
5.4.30.0070.07016.52
5.4.20.0030.08016.39
5.4.10.0070.06716.56
5.4.00.0070.05015.77
5.3.290.0030.08314.80
5.3.280.0100.07014.59
5.3.270.0070.07314.63
5.3.260.0170.06714.75
5.3.250.0070.07314.83
5.3.240.0070.05314.60
5.3.230.0100.03714.72
5.3.220.0130.06014.64
5.3.210.0030.08014.55
5.3.200.0100.07714.57
5.3.190.0070.07714.60
5.3.180.0100.07014.59
5.3.170.0130.06714.56
5.3.160.0130.06714.52
5.3.150.0000.07314.64
5.3.140.0070.06314.68
5.3.130.0070.05314.55
5.3.120.0100.07014.68
5.3.110.0070.07314.68
5.3.100.0070.07014.05
5.3.90.0030.07714.03
5.3.80.0100.06713.96
5.3.70.0030.07314.02
5.3.60.0070.07313.96
5.3.50.0030.08314.02
5.3.40.0070.06014.08
5.3.30.0000.08313.90
5.3.20.0130.06713.70
5.3.10.0000.08013.67
5.3.00.0130.07713.72
5.2.170.0000.06711.22
5.2.160.0070.05711.14
5.2.150.0000.06311.20
5.2.140.0200.03711.20
5.2.130.0070.05711.06
5.2.120.0130.06311.11
5.2.110.0070.03011.12
5.2.100.0030.04011.16
5.2.90.0030.05711.07
5.2.80.0030.05011.32
5.2.70.0030.06711.05
5.2.60.0100.06011.13
5.2.50.0030.06711.24
5.2.40.0030.05011.21
5.2.30.0100.05710.95
5.2.20.0100.05011.18
5.2.10.0030.06010.82
5.2.00.0000.07710.69
5.1.60.0030.0479.88
5.1.50.0100.04310.14
5.1.40.0000.0579.97
5.1.30.0030.05310.39
5.1.20.0070.05010.34
5.1.10.0070.05010.05
5.1.00.0100.03710.05
5.0.50.0000.0279.88
5.0.40.0070.0409.88
5.0.30.0030.0639.88
5.0.20.0070.0379.88
5.0.10.0070.0339.88
5.0.00.0070.0679.88
4.4.90.0000.0179.88
4.4.80.0000.0209.88
4.4.70.0000.0309.88
4.4.60.0030.0179.88
4.4.50.0000.0309.88
4.4.40.0000.0439.88
4.4.30.0000.0379.88
4.4.20.0030.0309.88
4.4.10.0070.0279.88
4.4.00.0000.0509.88
4.3.110.0000.0379.88
4.3.100.0000.0379.88
4.3.90.0000.0279.88
4.3.80.0000.0479.88
4.3.70.0000.0209.88
4.3.60.0030.0179.88
4.3.50.0030.0309.88
4.3.40.0000.0279.88
4.3.30.0000.0239.88
4.3.20.0030.0179.88
4.3.10.0030.0239.88
4.3.00.0030.0139.88

preferences:
95.21 ms | 401 KiB | 5 Q