3v4l.org

run code in 300+ PHP versions simultaneously
<?php $book="ABC"; $name="book"; $php="name"; $language="php"; print($book); print('\n'); print($$name); print($$$php); print($$$$language);

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)
8.3.60.0130.00916.63
8.3.50.0110.00721.15
8.3.40.0040.01118.59
8.3.30.0100.00718.54
8.3.20.0000.01420.22
8.3.10.0070.00021.73
8.3.00.0040.00419.42
8.2.180.0130.00616.63
8.2.170.0090.00922.96
8.2.160.0100.00720.46
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00317.50
8.2.110.0070.00320.27
8.2.100.0030.01017.50
8.2.90.0000.00819.26
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0080.00017.78
8.2.50.0030.00518.07
8.2.40.0040.00421.14
8.2.30.0030.00619.86
8.2.20.0000.00717.64
8.2.10.0050.00318.03
8.2.00.0040.00417.97
8.1.280.0130.00725.92
8.1.270.0080.00020.32
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0040.00423.83
8.1.230.0040.00817.42
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0000.01017.35
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0090.00018.48
8.1.160.0040.00421.95
8.1.150.0000.00718.92
8.1.140.0000.00817.45
8.1.130.0000.00717.61
8.1.120.0000.00717.49
8.1.110.0040.00417.34
8.1.100.0020.00517.48
8.1.90.0040.00417.45
8.1.80.0000.00817.32
8.1.70.0030.00317.43
8.1.60.0030.00617.45
8.1.50.0090.00017.45
8.1.40.0000.00717.45
8.1.30.0080.00017.65
8.1.20.0040.00417.63
8.1.10.0050.00217.40
8.1.00.0000.00717.45
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0030.00318.34
8.0.270.0000.00717.23
8.0.260.0050.00517.28
8.0.250.0050.00316.95
8.0.240.0050.00616.96
8.0.230.0040.00416.91
8.0.220.0030.00316.77
8.0.210.0030.00316.78
8.0.200.0050.00316.92
8.0.190.0090.00016.88
8.0.180.0040.00416.93
8.0.170.0000.00716.80
8.0.160.0040.00416.95
8.0.150.0030.00316.84
8.0.140.0000.00716.70
8.0.130.0030.00313.36
8.0.120.0040.00416.79
8.0.110.0050.00316.94
8.0.100.0040.00416.86
8.0.90.0050.00216.92
8.0.80.0030.01216.93
8.0.70.0000.00816.73
8.0.60.0000.00816.76
8.0.50.0080.00016.77
8.0.30.0090.00917.20
8.0.20.0110.00917.40
8.0.10.0070.00017.04
8.0.00.0130.00616.63
7.4.330.0020.00215.08
7.4.320.0060.00316.44
7.4.300.0030.00316.49
7.4.290.0080.00316.63
7.4.280.0040.00416.33
7.4.270.0030.00616.57
7.4.260.0030.00316.58
7.4.250.0000.00716.46
7.4.240.0020.00616.49
7.4.230.0000.00716.30
7.4.220.0100.01016.44
7.4.210.0030.01016.69
7.4.200.0030.00316.66
7.4.160.0080.00816.40
7.4.150.0100.00617.40
7.4.140.0100.00817.86
7.4.130.0080.01016.50
7.4.120.0110.00816.45
7.4.110.0140.00416.38
7.4.100.0060.01616.43
7.4.90.0090.00916.43
7.4.80.0170.00719.39
7.4.70.0130.00316.27
7.4.60.0090.00616.47
7.4.50.0000.00816.30
7.4.40.0040.01116.43
7.4.30.0110.01116.57
7.4.00.0100.00814.96
7.3.330.0050.00313.23
7.3.320.0050.00013.15
7.3.310.0070.00016.46
7.3.300.0030.00316.30
7.3.290.0090.00716.29
7.3.280.0040.01116.23
7.3.270.0100.00717.40
7.3.260.0130.00716.41
7.3.250.0100.00816.38
7.3.240.0120.00616.52
7.3.230.0060.01216.39
7.3.210.0090.00916.30
7.3.200.0110.00616.52
7.3.190.0060.01516.39
7.3.180.0060.01016.38
7.3.170.0100.00716.38
7.3.160.0120.00816.25
7.3.120.0080.00614.79
7.3.110.0130.00614.77
7.3.100.0070.00714.92
7.3.90.0040.00814.59
7.3.80.0000.01114.88
7.3.70.0090.00314.91
7.3.60.0090.00614.92
7.3.50.0090.00314.48
7.3.40.0030.01014.79
7.3.30.0070.00714.91
7.3.20.0040.01116.69
7.3.10.0100.00616.65
7.3.00.0060.00316.46
7.2.330.0150.00316.74
7.2.320.0080.01616.59
7.2.310.0130.00316.66
7.2.300.0220.00016.72
7.2.290.0070.01016.60
7.2.250.0070.01414.94
7.2.240.0030.01714.78
7.2.230.0080.00415.08
7.2.220.0120.00314.91
7.2.210.0040.00715.07
7.2.200.0070.00315.07
7.2.190.0000.01714.86
7.2.180.0070.00714.73
7.2.170.0080.00814.98
7.2.00.0030.01319.43
7.1.330.0000.01415.67
7.1.320.0090.00315.69
7.1.310.0060.00615.86
7.1.300.0000.01415.35
7.1.290.0060.00315.82
7.1.280.0060.00315.57
7.1.270.0070.00715.59
7.1.260.0060.00315.66
7.1.100.0000.01518.12
7.1.70.0000.00817.09
7.1.60.0070.01620.03
7.1.50.0070.01816.89
7.1.00.0030.07722.35
7.0.200.0130.00316.80
7.0.60.0070.05719.93
7.0.50.0030.04017.66
7.0.40.0100.07019.98
7.0.30.0300.04320.02
7.0.20.0230.05320.06
7.0.10.0300.04720.16
7.0.00.0070.05320.12
5.6.280.0030.04020.77
5.6.210.0070.07720.74
5.6.200.0030.07318.08
5.6.190.0100.08020.35
5.6.180.0070.04020.41
5.6.170.0270.05720.71
5.6.160.0070.04720.61
5.6.150.0130.06718.11
5.6.140.0070.08318.20
5.6.130.0100.07718.21
5.6.120.0000.04720.98
5.6.110.0070.03720.97
5.6.100.0070.04020.98
5.6.90.0070.06720.98
5.6.80.0030.08320.40
5.5.350.0100.08020.36
5.5.340.0070.03718.01
5.5.330.0070.08720.25
5.5.320.0030.08720.13
5.5.310.0230.05020.41
5.5.300.0070.06717.98
5.5.290.0070.08317.87
5.5.280.0100.08320.72
5.5.270.0130.05320.86
5.5.260.0130.08720.71
5.5.250.0030.07020.70
5.5.240.0070.07020.18
5.4.450.0130.05319.41
5.4.440.0200.05319.43
5.4.430.0400.05319.31
5.4.420.0470.05719.31
5.4.410.0130.05319.00
5.4.400.0170.05019.00
5.4.390.0430.06719.27
5.4.380.0700.05719.08
5.4.370.0170.04718.82
5.4.360.0300.03719.15
5.4.350.0330.06019.14
5.4.340.0330.06019.26
5.4.320.0070.06019.10
5.4.310.0100.06019.30
5.4.300.0130.05318.95
5.4.290.0230.04719.18
5.4.280.0100.05719.30
5.4.270.0300.04018.93
5.4.260.0170.05018.91
5.4.250.0130.05018.95
5.4.240.0130.05018.80
5.4.230.0330.03018.94
5.4.220.0170.05018.81
5.4.210.0200.04319.07
5.4.200.0100.05316.75
5.4.190.0300.05018.95
5.4.180.0530.06319.11
5.4.170.0130.05018.94
5.4.160.0230.04719.07
5.4.150.0270.03718.91
5.4.140.0100.05016.25
5.4.130.0600.04716.25
5.4.120.0630.04316.18
5.4.110.0130.05316.23
5.4.100.0270.05016.25
5.4.90.0300.05016.58
5.4.80.0230.06016.19
5.4.70.0130.07316.44
5.4.60.0300.04316.50
5.4.50.0230.05316.34
5.4.40.0300.05016.22
5.4.30.0200.05316.20
5.4.20.0100.05316.27
5.4.10.0130.04716.21
5.4.00.0170.04015.71

preferences:
54.05 ms | 401 KiB | 5 Q