3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name = 'foo'; $$name = 'hi'; echo $foo;

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)
8.3.70.0140.00418.23
8.3.60.0080.00618.31
8.3.50.0110.00722.00
8.3.40.0040.01418.56
8.3.30.0070.00718.73
8.3.20.0070.00021.85
8.3.10.0030.00520.13
8.3.00.0050.00220.95
8.2.180.0130.01025.92
8.2.170.0040.01122.96
8.2.160.0090.00620.16
8.2.150.0030.00524.18
8.2.140.0030.00524.66
8.2.130.0050.00322.23
8.2.120.0080.00026.35
8.2.110.0100.00019.27
8.2.100.0110.00017.91
8.2.90.0030.00619.27
8.2.80.0000.00917.97
8.2.70.0060.00317.75
8.2.60.0000.01217.93
8.2.50.0000.00718.10
8.2.40.0050.00322.36
8.2.30.0040.00420.30
8.2.20.0040.00418.10
8.2.10.0000.00718.11
8.2.00.0040.00418.25
8.1.280.0070.00725.92
8.1.270.0030.00523.88
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.88
8.1.230.0000.01117.65
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.23
8.1.190.0040.00417.10
8.1.180.0030.00618.10
8.1.170.0050.00318.57
8.1.160.0000.00718.87
8.1.150.0000.00720.30
8.1.140.0000.00719.61
8.1.130.0000.00819.04
8.1.120.0000.00717.44
8.1.110.0000.00817.44
8.1.100.0020.00517.34
8.1.90.0000.00717.38
8.1.80.0000.00817.33
8.1.70.0000.00717.45
8.1.60.0060.00317.57
8.1.50.0050.00217.48
8.1.40.0020.00517.39
8.1.30.0000.00817.62
8.1.20.0000.00717.63
8.1.10.0080.00017.41
8.1.00.0030.00617.38
8.0.300.0030.00618.77
8.0.290.0080.00016.75
8.0.280.0000.00818.34
8.0.270.0000.00817.25
8.0.260.0030.00317.31
8.0.250.0030.00316.96
8.0.240.0050.00216.91
8.0.230.0030.00516.95
8.0.220.0000.00716.73
8.0.210.0030.00316.89
8.0.200.0000.00716.91
8.0.190.0090.00316.86
8.0.180.0040.00416.93
8.0.170.0030.00416.91
8.0.160.0040.00416.91
8.0.150.0040.00416.86
8.0.140.0050.00316.73
8.0.130.0030.00313.37
8.0.120.0000.00716.74
8.0.110.0030.00616.80
8.0.100.0040.00416.83
8.0.90.0040.00416.96
8.0.80.0070.00716.91
8.0.70.0040.00416.92
8.0.60.0070.00016.68
8.0.50.0000.00716.83
8.0.30.0120.00717.00
8.0.20.0100.01317.40
8.0.10.0000.00716.89
8.0.00.0070.01116.73
7.4.330.0060.00015.55
7.4.320.0030.00316.60
7.4.300.0000.00616.52
7.4.290.0030.00316.57
7.4.280.0040.00416.48
7.4.270.0070.00016.50
7.4.260.0000.00816.38
7.4.250.0020.00516.55
7.4.240.0000.00716.58
7.4.230.0070.00016.49
7.4.220.0040.01516.49
7.4.210.0110.00616.52
7.4.200.0000.00716.63
7.4.160.0130.01016.44
7.4.150.0030.01417.40
7.4.140.0170.00317.86
7.4.130.0040.01316.51
7.4.120.0150.00316.57
7.4.110.0150.00616.46
7.4.100.0110.01116.60
7.4.90.0030.01316.47
7.4.80.0110.00719.39
7.4.70.0080.00816.50
7.4.60.0130.00316.47
7.4.50.0050.00816.56
7.4.40.0110.00416.42
7.4.30.0060.01216.58
7.4.00.0050.01214.83
7.3.330.0000.00613.11
7.3.320.0000.00613.09
7.3.310.0000.00716.21
7.3.300.0030.00316.28
7.3.290.0000.00716.24
7.3.280.0110.00816.28
7.3.270.0120.02117.40
7.3.260.0100.00816.37
7.3.250.0110.00616.40
7.3.240.0120.00816.41
7.3.230.0140.00616.31
7.3.210.0090.00616.41
7.3.200.0060.01016.25
7.3.190.0120.00416.38
7.3.180.0040.01316.21
7.3.170.0030.01416.31
7.3.160.0120.00316.28
7.3.120.0030.01414.98
7.3.110.0070.01014.46
7.3.100.0070.00714.78
7.3.90.0120.00314.81
7.3.80.0070.01114.74
7.3.70.0070.01014.48
7.3.60.0090.00614.75
7.3.50.0070.00714.69
7.3.40.0060.00914.68
7.3.30.0000.01014.46
7.3.20.0000.01116.45
7.3.10.0100.00716.57
7.3.00.0070.00416.54
7.2.330.0100.00716.70
7.2.320.0110.00616.67
7.2.310.0070.01016.70
7.2.300.0000.01816.35
7.2.290.0100.00716.30
7.2.250.0030.01615.00
7.2.240.0070.01314.95
7.2.230.0060.00614.83
7.2.220.0040.01115.23
7.2.210.0030.01214.90
7.2.200.0030.00914.89
7.2.190.0000.01314.75
7.2.180.0000.01615.04
7.2.170.0000.01014.99
7.2.60.0110.00416.90
7.2.00.0030.00719.48
7.1.330.0120.00415.73
7.1.320.0070.00715.74
7.1.310.0040.00915.35
7.1.300.0080.00315.57
7.1.290.0100.00315.72
7.1.280.0000.01415.67
7.1.270.0040.00715.66
7.1.260.0070.00815.56
7.1.200.0060.00615.67
7.1.100.0000.01217.87
7.1.70.0080.00016.75
7.1.60.0000.01417.02
7.1.50.0180.00616.57
7.1.20.1170.07038.47
7.1.10.0070.08020.42
7.1.00.4100.07320.57
7.0.200.0060.00916.64
7.0.160.1800.06720.00
7.0.150.1970.06320.18
7.0.140.2630.07320.07
7.0.130.1470.07020.12
7.0.120.1170.07020.07
7.0.110.1470.06720.07
7.0.100.1330.06720.11
7.0.90.1230.06320.11
7.0.80.1170.06020.05
7.0.70.1270.06320.08
7.0.60.1630.07020.13
7.0.50.1200.06320.06
7.0.40.1100.06720.06
7.0.30.1170.06320.03
7.0.20.1170.08020.11
7.0.10.1900.07020.16
7.0.00.1130.05020.07

preferences:
53.7 ms | 401 KiB | 5 Q