3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'foo'; $b = & $a; $c = 'moo'; $vars = get_defined_vars(); $vars['a'] = 'OMG'; $vars['c'] = 'Pie'; debug_zval_dump($a); debug_zval_dump($b); debug_zval_dump($c); var_dump($a, $b, $c);

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)
8.3.60.0110.01118.31
8.3.50.0140.00421.99
8.3.40.0130.00918.84
8.3.30.0080.00818.81
8.3.20.0030.00518.60
8.3.10.0050.00520.92
8.3.00.0040.00421.95
8.2.180.0100.00716.63
8.2.170.0100.00622.96
8.2.160.0090.00620.44
8.2.150.0030.00524.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0080.00021.07
8.2.110.0060.00320.58
8.2.100.0000.01117.72
8.2.90.0090.00019.18
8.2.80.0050.00317.97
8.2.70.0070.00417.38
8.2.60.0050.00317.91
8.2.50.0110.00018.07
8.2.40.0000.00818.16
8.2.30.0050.00221.26
8.2.20.0000.00717.68
8.2.10.0000.00817.74
8.2.00.0000.00717.68
8.1.280.0130.00725.92
8.1.270.0080.00023.99
8.1.260.0030.00526.35
8.1.250.0000.00728.09
8.1.240.0090.00022.45
8.1.230.0110.00020.85
8.1.220.0000.00818.77
8.1.210.0080.00018.89
8.1.200.0060.00317.25
8.1.190.0070.00317.51
8.1.180.0040.00418.10
8.1.170.0040.00418.52
8.1.160.0040.00418.76
8.1.150.0070.00018.57
8.1.140.0040.00417.32
8.1.130.0030.00317.73
8.1.120.0040.00417.29
8.1.110.0030.00517.45
8.1.100.0030.00417.27
8.1.90.0040.00417.39
8.1.80.0030.00517.41
8.1.70.0000.00817.36
8.1.60.0030.00617.50
8.1.50.0080.00017.38
8.1.40.0070.00017.35
8.1.30.0040.00417.59
8.1.20.0080.00017.54
8.1.10.0050.00317.41
8.1.00.0000.00817.43
8.0.300.0000.00719.91
8.0.290.0000.00817.18
8.0.280.0030.00318.38
8.0.270.0040.00417.19
8.0.260.0000.00616.82
8.0.250.0040.00416.93
8.0.240.0000.00716.92
8.0.230.0030.00416.91
8.0.220.0000.00716.84
8.0.210.0000.00716.79
8.0.200.0030.00516.89
8.0.190.0030.00516.80
8.0.180.0070.00016.83
8.0.170.0040.00416.74
8.0.160.0000.00716.80
8.0.150.0050.00316.81
8.0.140.0050.00316.68
8.0.130.0050.00013.18
8.0.120.0040.00416.77
8.0.110.0040.00416.69
8.0.100.0000.00816.79
8.0.90.0040.00416.77
8.0.80.0130.00316.81
8.0.70.0030.00516.82
8.0.60.0000.00716.83
8.0.50.0080.00016.65
8.0.30.0120.00717.10
8.0.20.0140.00617.40
8.0.10.0070.00016.76
8.0.00.0170.00116.64
7.4.330.0000.00514.70
7.4.320.0000.00716.36
7.4.300.0030.00316.40
7.4.290.0030.00316.50
7.4.280.0000.00716.44
7.4.270.0000.00716.45
7.4.260.0000.00513.18
7.4.250.0000.00716.41
7.4.240.0040.00416.54
7.4.230.0030.00316.41
7.4.220.0100.00916.42
7.4.210.0030.01216.42
7.4.200.0050.00216.29
7.4.190.0040.00416.62
7.4.160.0180.00016.43
7.4.150.0030.01517.40
7.4.140.0100.00817.86
7.4.130.0080.01016.43
7.4.120.0120.00816.48
7.4.110.0160.00016.38
7.4.100.0150.00316.41
7.4.90.0070.01116.42
7.4.80.0120.00519.39
7.4.70.0100.00716.50
7.4.60.0060.01516.33
7.4.50.0030.00516.45
7.4.40.0100.00722.77
7.4.30.0090.01216.39
7.4.00.0080.00814.64
7.3.330.0050.00013.04
7.3.320.0000.00512.91
7.3.310.0050.00316.06
7.3.300.0020.00516.20
7.3.290.0100.01016.26
7.3.280.0060.01116.16
7.3.270.0080.01117.40
7.3.260.0120.01218.24
7.3.250.0070.01016.27
7.3.240.0060.01216.62
7.3.230.0110.00516.39
7.3.210.0030.01416.22
7.3.200.0100.01019.39
7.3.190.0080.00816.38
7.3.180.0040.01516.51
7.3.170.0100.00616.46
7.3.160.0060.01016.14
7.3.120.0070.00414.86
7.2.330.0150.00316.39
7.2.320.0140.00416.43
7.2.310.0160.00316.29
7.2.300.0120.00416.48
7.2.290.0070.01116.56
7.2.60.0000.01116.87
7.2.00.0000.01319.39
7.1.200.0030.00915.74
7.1.100.0100.00618.21
7.1.70.0000.00817.11
7.1.60.0110.01419.40
7.1.50.0070.01817.05
7.1.00.0030.03722.53
7.0.200.0060.00616.62
7.0.140.0030.07321.97
7.0.110.0600.08020.08
7.0.100.0630.07020.04
7.0.90.0470.08019.92
7.0.80.0530.07319.96
7.0.70.0300.08319.93
7.0.60.0530.05319.91
7.0.50.0570.08320.43
7.0.40.0170.06320.19
7.0.30.0130.07320.04
7.0.20.0070.09020.12
7.0.10.0200.06720.12
7.0.00.0070.04020.08
5.6.280.0100.06721.06
5.6.260.0030.08320.67
5.6.250.0230.04320.64
5.6.240.0070.08720.55
5.6.230.0130.07320.65
5.6.220.0100.05320.69
5.6.210.0030.08720.52
5.6.200.0000.05721.14
5.6.190.0100.07721.11
5.6.180.0130.07021.10
5.6.170.0270.06720.92
5.6.160.0100.08321.09
5.6.150.0030.08020.94
5.6.140.0070.06320.92
5.6.130.0100.08321.13
5.6.120.0070.08021.04
5.6.110.0130.08320.91
5.6.100.0200.06721.16
5.6.90.0100.08021.11
5.6.80.0070.08020.62
5.6.70.0030.08320.58
5.6.60.0130.07720.57
5.6.50.0100.08020.36
5.6.40.0070.08020.49
5.6.30.0070.07720.47
5.6.20.0070.07720.33
5.6.10.0270.05720.56
5.6.00.0030.07020.26
5.5.380.0130.04020.25
5.5.370.0030.08020.25
5.5.360.0070.08320.50
5.5.350.0070.07320.44
5.5.340.0070.08320.79
5.5.330.0030.08020.97
5.5.320.0130.06720.84
5.5.310.0030.09021.01
5.5.300.0130.07720.69
5.5.290.0170.07320.86
5.5.280.0070.08320.70
5.5.270.0100.08020.70
5.5.260.0100.08721.02
5.5.250.0030.08020.69
5.5.240.0030.07720.40
5.5.230.0070.08320.32
5.5.220.0100.06320.34
5.5.210.0070.08020.38
5.5.200.0070.08320.13
5.5.190.0130.07320.09
5.5.180.0170.07320.29
5.5.160.0130.07020.24
5.5.150.0100.05720.29
5.5.140.0070.05320.36
5.5.130.0030.04720.25
5.5.120.0070.03720.23
5.5.110.0030.04020.13
5.5.100.0030.04020.25
5.5.90.0000.04020.01
5.5.80.0000.04720.18
5.5.70.0070.03720.03
5.5.60.0130.02719.98
5.5.50.0070.03720.18
5.5.40.0000.04719.97
5.5.30.0030.03720.24
5.5.20.0070.06719.97
5.5.10.0030.05320.21
5.5.00.0070.07320.20
5.4.450.0000.05719.45
5.4.440.0130.08019.45
5.4.430.0100.07719.40
5.4.420.0030.08019.30
5.4.410.0030.07019.38
5.4.400.0130.04019.13
5.4.390.0130.07019.00
5.4.380.0070.07719.18
5.4.370.0070.04318.95
5.4.360.0100.07319.00
5.4.350.0100.04318.95
5.4.340.0100.07319.25
5.4.320.0100.06319.25
5.4.310.0070.07019.00
5.4.300.0000.04019.17
5.4.290.0030.04019.12
5.4.280.0100.06319.03
5.4.270.0030.03719.00
5.4.260.0030.04019.18
5.4.250.0070.03318.94
5.4.240.0030.03719.15
5.4.230.0030.03719.26
5.4.220.0030.04019.00
5.4.210.0000.04018.98
5.4.200.0030.05719.00
5.4.190.0000.04318.94
5.4.180.0030.05719.09
5.4.170.0030.04318.94
5.4.160.0070.07318.93
5.4.150.0030.06319.23
5.4.140.0100.03716.36
5.4.130.0000.04016.34
5.4.120.0030.03316.56
5.4.110.0000.04016.47
5.4.100.0070.03016.36
5.4.90.0030.03716.41
5.4.80.0030.03316.12
5.4.70.0030.05316.39
5.4.60.0070.03016.38
5.4.50.0030.03716.50
5.4.40.0000.04016.53
5.4.30.0030.03716.34
5.4.20.0030.03316.11
5.4.10.0000.03716.15
5.4.00.0030.03715.79
5.3.290.0070.05314.67
5.3.280.0070.06314.66
5.3.270.0070.07314.68
5.3.260.0070.06314.48
5.3.250.0070.07314.43
5.3.240.0000.04014.60
5.3.230.0000.05314.54
5.3.220.0000.04014.58
5.3.210.0000.04014.66
5.3.200.0070.03314.47
5.3.190.0070.06314.39
5.3.180.0000.05014.46
5.3.170.0130.02714.46
5.3.160.0030.04314.42
5.3.150.0000.03714.42
5.3.140.0070.03314.48
5.3.130.0000.04014.47
5.3.120.0030.03714.56
5.3.110.0070.05714.47
5.3.100.0000.04014.10
5.3.90.0030.03714.03
5.3.80.0000.05714.02
5.3.70.0030.04713.89
5.3.60.0000.03713.85
5.3.50.0000.03713.83
5.3.40.0070.03713.96
5.3.30.0030.04013.91
5.3.20.0030.03313.63
5.3.10.0030.03313.54
5.3.00.0030.03313.55
5.2.170.0000.03312.09
5.2.160.0000.04712.09
5.2.150.0030.02712.09
5.2.140.0000.03012.09
5.2.130.0000.03012.09
5.2.120.0070.03012.09
5.2.110.0030.02712.09
5.2.100.0030.02312.09
5.2.90.0000.03012.09
5.2.80.0000.03012.09
5.2.70.0000.03012.09
5.2.60.0000.03312.09
5.2.50.0000.03012.09
5.2.40.0030.05012.09
5.2.30.0070.02712.09
5.2.20.0030.04012.09
5.2.10.0100.05012.09
5.2.00.0030.06012.09
5.1.60.0070.05012.09
5.1.50.0030.05712.09
5.1.40.0030.05312.09
5.1.30.0170.04712.09
5.1.20.0100.05012.09
5.1.10.0070.05012.09
5.1.00.0030.05312.09
5.0.50.0000.04712.09
5.0.40.0070.04312.09
5.0.30.0000.05012.09
5.0.20.0070.04012.09
5.0.10.0000.04712.09
5.0.00.0000.03712.09
4.4.90.0030.01312.09
4.4.80.0000.01312.09
4.4.70.0000.01312.09
4.4.60.0000.01712.09
4.4.50.0000.01712.09
4.4.40.0030.05012.09
4.4.30.0030.03312.09
4.4.20.0000.04012.09
4.4.10.0030.03312.09
4.4.00.0000.03012.09
4.3.110.0000.03712.09
4.3.100.0000.03012.09
4.3.90.0070.03012.09
4.3.80.0100.04312.09
4.3.70.0000.03312.09
4.3.60.0070.02712.09
4.3.50.0100.02712.09
4.3.40.0030.05012.09
4.3.30.0030.03312.09
4.3.20.0000.03712.09
4.3.10.0030.03312.09
4.3.00.0100.03012.09

preferences:
45.42 ms | 401 KiB | 5 Q