3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array[] = array('first'=>'jake','last'=>'quattrocchi'); $array[] = array('first'=>'david'); foreach($array as $key=>&$value){ $value['first'] = 'adfgadgadfg'; } var_dump($array); echo $key; echo $value;

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)
8.3.60.0060.00916.50
8.3.50.0120.00721.21
8.3.40.0070.00718.97
8.3.30.0070.00719.25
8.3.20.0070.00020.19
8.3.10.0040.00421.97
8.3.00.0040.00418.05
8.2.180.0150.00016.63
8.2.170.0120.00322.96
8.2.160.0070.00722.16
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00419.48
8.2.110.0060.00322.12
8.2.100.0070.00418.09
8.2.90.0020.00519.17
8.2.80.0070.00317.97
8.2.70.0030.00617.50
8.2.60.0070.00317.93
8.2.50.0040.00418.07
8.2.40.0050.00318.13
8.2.30.0000.00918.30
8.2.20.0050.00217.73
8.2.10.0050.00317.99
8.2.00.0030.00517.79
8.1.280.0090.00625.92
8.1.270.0030.00523.91
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00321.98
8.1.230.0070.00419.08
8.1.220.0030.00617.78
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0030.00617.35
8.1.180.0030.00518.10
8.1.170.0040.00418.67
8.1.160.0030.00521.91
8.1.150.0050.00218.78
8.1.140.0080.00017.41
8.1.130.0030.00317.89
8.1.120.0070.00017.46
8.1.110.0000.00717.35
8.1.100.0000.00817.43
8.1.90.0040.00417.45
8.1.80.0040.00417.49
8.1.70.0040.00417.41
8.1.60.0000.00817.54
8.1.50.0000.00817.51
8.1.40.0040.00417.59
8.1.30.0090.00017.63
8.1.20.0040.00417.54
8.1.10.0000.00717.57
8.1.00.0030.00517.53
8.0.300.0000.00718.77
8.0.290.0040.00716.75
8.0.280.0030.00318.34
8.0.270.0050.00317.23
8.0.260.0000.00817.29
8.0.250.0040.00416.99
8.0.240.0070.00017.07
8.0.230.0070.00016.97
8.0.220.0030.00316.90
8.0.210.0040.00416.88
8.0.200.0030.00316.96
8.0.190.0040.00417.02
8.0.180.0070.00016.87
8.0.170.0000.00717.02
8.0.160.0000.00716.90
8.0.150.0030.00316.91
8.0.140.0070.00016.96
8.0.130.0050.00013.34
8.0.120.0000.00816.93
8.0.110.0050.00316.77
8.0.100.0040.00416.96
8.0.90.0000.00816.99
8.0.80.0100.00516.97
8.0.70.0050.00216.80
8.0.60.0030.00316.98
8.0.50.0000.00716.83
8.0.30.0120.00717.01
8.0.20.0090.01117.40
8.0.10.0040.00416.93
8.0.00.0080.01016.93
7.4.330.0050.00015.11
7.4.320.0060.00016.49
7.4.300.0030.00316.58
7.4.290.0030.00316.58
7.4.280.0070.00016.59
7.4.270.0040.00416.52
7.4.260.0000.00716.48
7.4.250.0060.00316.51
7.4.240.0070.00016.55
7.4.230.0030.00316.33
7.4.220.0070.01016.48
7.4.210.0030.01016.57
7.4.200.0000.00716.43
7.4.160.0080.00816.32
7.4.150.0070.01017.40
7.4.140.0100.00717.86
7.4.130.0090.00816.50
7.4.120.0060.01516.62
7.4.110.0110.00616.47
7.4.100.0070.01016.61
7.4.90.0070.01116.46
7.4.80.0040.01819.39
7.4.70.0160.00316.46
7.4.60.0110.00816.54
7.4.50.0030.00616.26
7.4.40.0080.00816.36
7.4.30.0050.01116.50
7.4.00.0070.01015.04
7.3.330.0070.00013.25
7.3.320.0000.00513.12
7.3.310.0070.00016.31
7.3.300.0000.00716.37
7.3.290.0100.00716.36
7.3.280.0080.00816.39
7.3.270.0090.00917.40
7.3.260.0070.01116.57
7.3.250.0110.01116.46
7.3.240.0130.00316.47
7.3.230.0030.01216.48
7.3.210.0070.01116.61
7.3.200.0140.00519.39
7.3.190.0160.00716.58
7.3.180.0060.01016.32
7.3.170.0060.01616.43
7.3.160.0120.00316.28
7.3.120.0040.01114.82
7.3.10.0080.00816.65
7.3.00.0130.00716.35
7.2.330.0090.00916.52
7.2.320.0120.00616.51
7.2.310.0120.00616.59
7.2.300.0070.01016.46
7.2.290.0120.00616.74
7.2.130.0070.00716.52
7.2.120.0090.00316.30
7.2.110.0070.01117.07
7.2.100.0140.00016.88
7.2.90.0080.00616.97
7.2.80.0210.00316.85
7.2.70.0090.00216.55
7.2.60.0090.01016.55
7.2.50.0090.01316.18
7.2.40.0220.00516.56
7.2.30.0220.00616.25
7.2.20.0140.00716.61
7.2.10.0060.01716.69
7.2.00.0090.00917.96
7.1.250.0140.00015.33
7.1.100.0040.00418.25
7.1.70.0000.00817.07
7.1.60.0110.01419.25
7.1.50.0090.01516.85
7.1.00.0070.07322.54
7.0.200.0000.00716.55
7.0.140.0000.06722.10
7.0.60.0030.08019.97
7.0.50.0030.08317.78
7.0.40.0030.04720.25
7.0.30.0230.05320.00
7.0.20.0200.03720.34
7.0.10.0000.07020.30
7.0.00.0130.08020.20
5.6.210.0100.06320.53
5.6.200.0000.05718.08
5.6.190.0030.04720.63
5.6.180.0300.08720.39
5.6.170.0300.06320.51
5.6.160.0130.07320.66
5.6.150.0070.04718.22
5.6.140.0170.05718.09
5.6.130.0130.07718.20
5.6.120.0030.05320.96
5.6.110.0200.03721.14
5.6.100.0170.07020.93
5.6.90.0030.05020.95
5.6.80.0070.07720.52
5.5.350.0200.03720.46
5.5.340.0030.05317.95
5.5.330.0070.08020.36
5.5.320.0270.05320.29
5.5.310.0270.06320.41
5.5.300.0100.04717.96
5.5.290.0100.03317.95
5.5.280.0030.06720.77
5.5.270.0030.04720.74
5.5.260.0100.08020.86
5.5.250.0070.04020.57
5.5.240.0100.06720.18
5.4.450.3470.03719.61
5.4.440.3200.04719.21
5.4.430.3400.04019.41
5.4.420.3570.03319.11
5.4.410.3400.04319.44
5.4.400.3200.03719.09
5.4.390.3270.03319.09
5.4.380.3270.03318.79
5.4.370.3430.03719.21
5.4.360.3430.03718.85
5.4.350.3230.03318.88
5.4.340.3230.03719.22
5.4.320.3430.03719.09
5.4.310.3270.03319.09
5.4.300.2700.04718.91
5.4.290.3230.03718.91
5.4.280.3200.04018.89
5.4.270.2200.03719.09
5.4.260.0030.04019.04
5.4.250.3000.03319.20
5.4.240.3470.02719.07
5.4.230.3400.03318.92
5.4.220.3200.03719.24
5.4.210.3270.02718.92
5.4.200.3170.03719.13
5.4.190.3330.02719.23
5.4.180.3000.04019.04
5.4.170.3270.04019.08
5.4.160.3330.03019.05
5.4.150.0070.04018.86
5.4.140.0070.03716.23
5.4.130.3270.03316.23
5.4.120.3330.02716.18
5.4.110.3200.04016.34
5.4.100.3330.03716.21
5.4.90.3400.03316.47
5.4.80.3330.03016.20
5.4.70.3500.03716.34
5.4.60.3600.04016.21
5.4.50.3470.03316.41
5.4.40.3400.03716.20
5.4.30.3570.03016.27
5.4.20.3570.03316.36
5.4.10.3370.04016.31
5.4.00.3500.03715.61
5.3.290.3600.04314.64
5.3.280.3170.04014.54
5.3.270.3400.04014.65
5.3.260.1370.04314.54
5.3.250.0100.07014.43
5.3.240.3570.04014.45
5.3.230.3700.03714.58
5.3.220.3270.04014.51
5.3.210.3430.03714.44
5.3.200.3330.03314.54
5.3.190.3500.03014.40
5.3.180.3470.03714.42
5.3.170.3400.03314.42
5.3.160.2600.03014.52
5.3.150.3500.03314.41
5.3.140.3330.04314.64
5.3.130.3600.03714.41
5.3.120.3470.04314.40
5.3.110.3270.03714.59
5.3.100.3400.03713.98
5.3.90.3570.03313.95
5.3.80.3530.03713.93
5.3.70.3500.03713.81
5.3.60.3300.03713.95
5.3.50.3270.03713.90
5.3.40.3570.03713.89
5.3.30.3500.03313.76
5.3.20.3530.04013.54
5.3.10.3430.03313.50
5.3.00.3600.03013.47
5.2.170.2770.02711.16
5.2.160.2700.03011.05
5.2.150.2900.03311.16
5.2.140.2730.03011.17
5.2.130.2800.03710.94
5.2.120.3470.02711.15
5.2.110.2530.03011.04
5.2.100.2970.03011.14
5.2.90.3370.03011.05
5.2.80.2870.02711.14
5.2.70.2630.02710.93
5.2.60.2970.03311.06
5.2.50.2870.02710.85
5.2.40.2600.03710.84
5.2.30.2130.03010.80
5.2.20.1970.03010.96
5.2.10.2370.02310.96
5.2.00.2200.02710.63
5.1.60.2170.0239.90
5.1.50.2630.0239.92
5.1.40.2400.02710.09
5.1.30.2330.02010.33
5.1.20.2330.03010.42
5.1.10.2130.02710.21
5.1.00.2500.02310.14
5.0.50.1170.0139.76
5.0.40.1130.0209.76
5.0.30.1370.0309.76
5.0.20.1230.0179.76
5.0.10.0970.0179.76
5.0.00.1070.0309.76
4.4.90.1270.0139.76
4.4.80.1130.0139.76
4.4.70.1130.0139.76
4.4.60.0900.0179.76
4.4.50.1270.0139.76
4.4.40.1170.0209.76
4.4.30.1200.0209.76
4.4.20.1300.0139.76
4.4.10.1270.0109.76
4.4.00.1230.0239.76
4.3.110.1070.0179.76
4.3.100.1070.0139.76
4.3.90.1100.0179.76
4.3.80.1070.0239.76
4.3.70.1300.0179.76
4.3.60.1030.0179.76
4.3.50.1100.0109.76
4.3.40.1100.0209.76
4.3.30.0730.0279.76
4.3.20.0670.0279.76
4.3.10.0600.0139.76
4.3.00.0570.0179.76

preferences:
44.82 ms | 401 KiB | 5 Q