3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ [ [ 'a' ] ] ]; $b = $a[0][0][0]; var_dump($b); var_dump($b = 'c'); var_dump($a);

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)
8.3.40.0140.00018.86
8.3.30.0110.00620.04
8.3.20.0070.00020.17
8.3.10.0030.00521.91
8.3.00.0090.00022.45
8.2.170.0110.00422.96
8.2.160.0070.00722.26
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0050.00320.71
8.2.110.0060.00320.43
8.2.100.0060.00617.88
8.2.90.0000.00819.09
8.2.80.0070.00019.28
8.2.70.0040.00417.50
8.2.60.0000.00818.04
8.2.50.0040.00418.07
8.2.40.0090.00019.82
8.2.30.0040.00419.38
8.2.20.0080.00017.54
8.2.10.0030.00617.74
8.2.00.0080.00017.69
8.1.270.0080.00023.99
8.1.260.0110.00426.35
8.1.250.0030.00628.09
8.1.240.0060.00319.48
8.1.230.0040.00720.97
8.1.220.0030.00618.57
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0000.00817.41
8.1.180.0040.00418.10
8.1.170.0030.00518.28
8.1.160.0000.01118.82
8.1.150.0000.00718.52
8.1.140.0000.00717.38
8.1.130.0040.00417.67
8.1.120.0020.00517.40
8.1.110.0040.00417.30
8.1.100.0040.00417.44
8.1.90.0030.00317.33
8.1.80.0070.00017.35
8.1.70.0000.00717.27
8.1.60.0060.00317.41
8.1.50.0030.00617.50
8.1.40.0000.00717.44
8.1.30.0060.00317.54
8.1.20.0030.00517.58
8.1.10.0000.00717.50
8.1.00.0080.00017.46
8.0.300.0030.00618.77
8.0.290.0030.00617.05
8.0.280.0000.00718.29
8.0.270.0070.00016.78
8.0.260.0060.00016.66
8.0.250.0030.00316.79
8.0.240.0040.00416.89
8.0.230.0030.00316.93
8.0.220.0030.00316.84
8.0.210.0000.00716.87
8.0.200.0040.00416.88
8.0.190.0030.00416.80
8.0.180.0070.00016.75
8.0.170.0040.00416.81
8.0.160.0000.00716.81
8.0.150.0040.00416.72
8.0.140.0000.00716.83
8.0.130.0030.00313.30
8.0.120.0090.00016.70
8.0.110.0000.00716.78
8.0.100.0000.00716.69
8.0.90.0000.00716.84
8.0.80.0060.00916.82
8.0.70.0070.00016.94
8.0.60.0070.00016.84
8.0.50.0040.00416.68
8.0.30.0110.01216.87
8.0.20.0070.01317.40
8.0.10.0040.00416.87
8.0.00.0140.00816.63
7.4.330.0040.00015.00
7.4.320.0000.00616.54
7.4.300.0000.00616.48
7.4.290.0030.00316.41
7.4.280.0000.00716.48
7.4.270.0000.00716.54
7.4.260.0030.00313.12
7.4.250.0040.00416.49
7.4.240.0020.00516.44
7.4.230.0000.00716.48
7.4.220.0150.00316.41
7.4.210.0070.00916.46
7.4.200.0040.00416.34
7.4.190.0070.00016.63
7.4.160.0100.00616.35
7.4.150.0060.01317.40
7.4.140.0080.00917.86
7.4.130.0060.01116.58
7.4.120.0090.00816.52
7.4.110.0080.00816.57
7.4.100.0070.01016.45
7.4.90.0150.00916.43
7.4.80.0100.01319.39
7.4.70.0090.00916.44
7.4.60.0060.01016.40
7.4.50.0000.00816.27
7.4.40.0120.00322.77
7.4.30.0100.00716.06
7.4.00.0030.01214.95
7.3.330.0000.00513.05
7.3.320.0030.00313.05
7.3.310.0030.00316.25
7.3.300.0070.00016.21
7.3.290.0130.00316.20
7.3.280.0080.01016.24
7.3.270.0220.00317.40
7.3.260.0240.00016.50
7.3.250.0120.00916.27
7.3.240.0030.01616.49
7.3.230.0060.01016.44
7.3.210.0140.00316.29
7.3.200.0110.00619.39
7.3.190.0090.01216.21
7.3.180.0140.00316.16
7.3.170.0060.01516.55
7.3.160.0100.00716.20
7.3.120.0080.00814.67
7.3.10.0040.01316.11
7.3.00.0130.00016.30
7.2.330.0090.00916.54
7.2.320.0080.01416.53
7.2.310.0040.01316.36
7.2.300.0100.00716.53
7.2.290.0140.00316.37
7.2.130.0070.00716.47
7.2.120.0000.01316.74
7.2.110.0040.01116.21
7.2.100.0030.01316.13
7.2.90.0090.00916.67
7.2.80.0130.00316.43
7.2.70.0050.00516.45
7.2.60.0060.00616.56
7.2.50.0100.00316.55
7.2.40.0130.00016.61
7.2.30.0000.01416.58
7.2.20.0120.00616.48
7.2.10.0060.01016.49
7.2.00.0100.00616.52
7.1.250.0110.00615.29
7.1.70.0050.00517.05
7.1.60.0050.00519.21
7.1.50.0100.01316.97
7.1.00.0070.04022.44
7.0.200.0260.00314.93
7.0.140.0030.07022.06
7.0.100.0100.04320.00
7.0.90.0070.04019.89
7.0.80.0130.03320.13
7.0.70.0030.04019.88
7.0.60.0100.04319.88
7.0.50.0070.09020.20
7.0.40.0070.05320.18
7.0.30.0100.08320.04
7.0.20.0030.06720.13
7.0.10.0070.08020.10
7.0.00.0100.07320.12
5.6.280.0070.07020.98
5.6.250.0030.03720.59
5.6.240.0100.03720.50
5.6.230.0030.04320.65
5.6.220.0000.04320.58
5.6.210.0000.04320.45
5.6.200.0030.08720.98
5.6.190.0070.08021.05
5.6.180.0100.09020.96
5.6.170.0170.07321.17
5.6.160.0100.08021.04
5.6.150.0200.05720.95
5.6.140.0030.06720.98
5.6.130.0130.04720.94
5.6.120.0030.04720.93
5.6.110.0100.05021.04
5.6.100.0100.07021.00
5.6.90.0070.08021.07
5.6.80.0200.03320.46
5.6.70.0030.06020.45
5.6.60.0030.04320.31
5.6.50.0070.04320.46
5.6.40.0030.09020.46
5.6.30.0070.05020.44
5.6.20.0100.05020.31
5.6.10.0070.08020.41
5.6.00.0200.06720.47
5.5.380.0070.04020.37
5.5.370.0030.04020.56
5.5.360.0000.04720.37
5.5.350.0100.03320.36
5.5.340.0070.04020.84
5.5.330.0200.06720.76
5.5.320.0030.08320.80
5.5.310.0200.07320.76
5.5.300.0070.07320.72
5.5.290.0030.05020.82
5.5.280.0100.08020.91
5.5.270.0030.05320.81
5.5.260.0100.07020.75
5.5.250.0070.06020.45
5.5.240.0030.06720.30
5.5.230.0100.07720.13
5.5.220.0030.04720.27
5.5.210.0100.07320.20
5.5.200.0030.04720.24
5.5.190.0200.07020.08
5.5.180.0100.07020.22
5.5.160.0100.07020.12
5.5.150.0030.07720.15
5.5.140.0030.04320.10
5.5.130.0100.07719.98
5.5.120.0100.04320.02
5.5.110.0130.04020.23
5.5.100.0070.07020.07
5.5.90.0130.07719.93
5.5.80.0070.07319.96
5.5.70.0100.06020.12
5.5.60.0000.06320.09
5.5.50.0030.04720.11
5.5.40.0100.07720.02
5.5.30.0100.07020.01
5.5.20.0030.08020.07
5.5.10.0070.08320.12
5.5.00.0130.07020.04
5.4.450.0030.08319.39
5.4.440.0070.06719.14
5.4.430.0070.04319.40
5.4.420.0100.07719.14
5.4.410.0100.07319.34
5.4.400.0070.07718.82
5.4.390.0070.07719.19
5.4.380.0000.04319.06
5.4.370.0030.07319.02
5.4.360.0070.07718.90
5.4.350.0000.06319.15
5.4.340.0230.05018.96
5.4.320.0030.07718.97
5.4.310.0200.03319.05
5.4.300.0070.06319.11
5.4.290.0070.07019.13
5.4.280.0030.06019.14
5.4.270.0070.07718.95
5.4.260.0100.07319.02
5.4.250.0030.06719.05
5.4.240.0100.04719.11
5.4.230.0030.04719.02
5.4.220.0030.08319.02
5.4.210.0070.04018.79
5.4.200.0030.07319.11
5.4.190.0070.08019.13
5.4.180.0130.06019.07
5.4.170.0100.07018.80
5.4.160.0170.06719.04
5.4.150.0070.05719.05
5.4.140.0070.07316.38
5.4.130.0000.07316.05
5.4.120.0100.07016.33
5.4.110.0100.07716.33
5.4.100.0170.06716.43
5.4.90.0100.06716.36
5.4.80.0030.06016.29
5.4.70.0000.04016.42
5.4.60.0070.06316.24
5.4.50.0030.07716.33
5.4.40.0070.07016.47
5.4.30.0070.07316.39
5.4.20.0030.07316.19
5.4.10.0170.06316.30
5.4.00.0100.03315.71
5.3.290.0000.06314.62
5.3.280.0070.04314.56
5.3.270.0070.06314.59
5.3.260.0130.06314.43
5.3.250.0030.07314.59
5.3.240.0030.07014.57
5.3.230.0070.04014.45
5.3.220.0100.07014.55
5.3.210.0030.08014.45
5.3.200.0070.05314.39
5.3.190.0130.05014.56
5.3.180.0070.04314.42
5.3.170.0100.03714.41
5.3.160.0230.05714.55
5.3.150.0100.04314.50
5.3.140.0000.08314.52
5.3.130.0000.06014.52
5.3.120.0130.07014.50
5.3.110.0100.04014.51
5.3.100.0000.07714.04
5.3.90.0070.06313.98
5.3.80.0000.04313.77
5.3.70.0030.07713.80
5.3.60.0070.07013.97
5.3.50.0030.06313.80
5.3.40.0070.07013.94
5.3.30.0030.07313.69
5.3.20.0070.07013.61
5.3.10.0030.07013.60
5.3.00.0070.03713.57
5.2.170.0070.05012.14
5.2.160.0000.03312.14
5.2.150.0070.04312.14
5.2.140.0100.06012.14
5.2.130.0030.04312.14
5.2.120.0100.05712.14
5.2.110.0070.06012.14
5.2.100.0030.05712.14
5.2.90.0070.04712.14
5.2.80.0000.03312.14
5.2.70.0030.04012.14
5.2.60.0070.03312.14
5.2.50.0030.05312.14
5.2.40.0030.03312.14
5.2.30.0070.05712.14
5.2.20.0030.06312.14
5.2.10.0130.05312.14
5.2.00.0070.03012.14
5.1.60.0030.03012.14
5.1.50.0030.05312.14
5.1.40.0000.04712.14
5.1.30.0030.03012.14
5.1.20.0070.04312.14
5.1.10.0070.05012.14
5.1.00.0000.04312.14
5.0.50.0000.03712.14
5.0.40.0130.01312.14
5.0.30.0000.04012.14
5.0.20.0000.04312.14
5.0.10.0000.03012.14
5.0.00.0000.05712.14
4.4.90.0030.03712.14
4.4.80.0030.03012.14
4.4.70.0000.02312.14
4.4.60.0030.01712.14
4.4.50.0000.03312.14
4.4.40.0030.05712.14
4.4.30.0070.02312.14
4.4.20.0030.02712.14
4.4.10.0030.03312.14
4.4.00.0070.04312.14
4.3.110.0030.02012.14
4.3.100.0030.03312.14
4.3.90.0030.03312.14
4.3.80.0030.04712.14
4.3.70.0000.03312.14
4.3.60.0070.01712.14
4.3.50.0030.03012.14
4.3.40.0000.05712.14
4.3.30.0030.03312.14
4.3.20.0000.03312.14
4.3.10.0000.03312.14
4.3.00.0000.03012.14

preferences:
40.07 ms | 400 KiB | 5 Q