3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($a =& $b; false; );

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)
8.3.60.0170.00318.56
8.3.50.0150.00616.25
8.3.40.0070.00718.60
8.3.30.0070.00718.69
8.3.20.0110.00720.07
8.3.10.0080.00023.53
8.3.00.0040.01419.43
8.2.180.0130.00316.38
8.2.170.0100.00722.96
8.2.160.0110.00319.13
8.2.150.0000.00924.18
8.2.140.0040.01424.66
8.2.130.0020.00519.24
8.2.120.0040.00426.35
8.2.110.0060.00320.52
8.2.100.0110.00017.59
8.2.90.0030.00619.00
8.2.80.0050.00317.97
8.2.70.0030.00617.38
8.2.60.0040.00417.68
8.2.50.0000.00918.10
8.2.40.0000.00720.60
8.2.30.0070.00419.11
8.2.20.0040.00417.80
8.2.10.0040.00417.80
8.2.00.0040.00418.02
8.1.280.0090.00625.92
8.1.270.0030.00622.18
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00320.85
8.1.230.0070.00418.93
8.1.220.0000.01217.74
8.1.210.0060.00318.77
8.1.200.0060.00317.10
8.1.190.0000.00717.22
8.1.180.0040.00418.10
8.1.170.0000.00818.51
8.1.160.0070.00018.94
8.1.150.0040.00420.50
8.1.140.0090.00017.37
8.1.130.0070.00018.76
8.1.120.0070.00017.41
8.1.110.0040.00417.29
8.1.100.0040.00417.26
8.1.90.0050.00317.32
8.1.80.0050.00317.21
8.1.70.0070.00017.30
8.1.60.0000.00717.35
8.1.50.0000.00817.31
8.1.40.0040.00417.24
8.1.30.0040.00417.63
8.1.20.0050.00317.58
8.1.10.0040.00417.37
8.1.00.0000.00817.34
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0050.00318.26
8.0.270.0030.00517.13
8.0.260.0070.00018.22
8.0.250.0000.00716.90
8.0.240.0030.00516.90
8.0.230.0000.00716.79
8.0.220.0000.00716.84
8.0.210.0050.00316.79
8.0.200.0030.00316.89
8.0.190.0040.00416.91
8.0.180.0030.00316.90
8.0.170.0040.00416.84
8.0.160.0050.00316.84
8.0.150.0030.00616.78
8.0.140.0050.00316.79
8.0.130.0060.00013.34
8.0.120.0000.00816.72
8.0.110.0080.00016.68
8.0.100.0000.00716.80
8.0.90.0040.00416.85
8.0.80.0160.00316.81
8.0.70.0080.00016.79
8.0.60.0050.00216.85
8.0.50.0000.00716.69
8.0.30.0050.01116.96
8.0.20.0080.01117.40
8.0.10.0040.00416.75
8.0.00.0060.01216.78
7.4.330.0020.00215.55
7.4.320.0030.00316.38
7.4.300.0030.00316.27
7.4.290.0070.00016.27
7.4.280.0040.00416.34
7.4.270.0030.00316.28
7.4.260.0000.00616.34
7.4.250.0040.00416.22
7.4.240.0040.00416.39
7.4.230.0000.00716.36
7.4.220.0130.00716.45
7.4.210.0130.00316.49
7.4.200.0000.00716.44
7.4.160.0090.00816.33
7.4.150.0060.01317.40
7.4.140.0120.00717.86
7.4.130.0170.00616.52
7.4.120.0110.00816.36
7.4.110.0070.01516.61
7.4.100.0190.00516.30
7.4.90.0100.00716.52
7.4.80.0060.01219.39
7.4.70.0040.01216.22
7.4.60.0060.00916.36
7.4.50.0000.01016.23
7.4.40.0100.00616.36
7.4.30.0110.00616.38
7.4.00.0080.00814.63
7.3.330.0030.00313.08
7.3.320.0020.00213.11
7.3.310.0040.00416.14
7.3.300.0040.00316.18
7.3.290.0000.00716.18
7.3.280.0080.00816.15
7.3.270.0030.01317.40
7.3.260.0090.00816.33
7.3.250.0120.00816.24
7.3.240.0140.00316.08
7.3.230.0030.01416.19
7.3.210.0080.00816.13
7.3.200.0000.01616.37
7.3.190.0150.00016.22
7.3.180.0100.00716.30
7.3.170.0080.00816.21
7.3.160.0000.01616.14
7.2.330.0100.01016.45
7.2.320.0050.01116.40
7.2.310.0090.00916.52
7.2.300.0100.00716.46
7.2.290.0160.00316.54
7.2.60.0890.00314.98
7.2.00.0040.00818.96
7.1.200.0050.00815.51
7.1.100.0060.00618.00
7.1.70.0190.00715.15
7.1.60.0300.01033.07
7.1.50.0270.01432.79
7.1.40.0360.00632.46
7.1.30.0280.01432.64
7.1.20.0560.01132.34
7.1.10.0240.01414.40
7.1.00.0200.00714.71
7.0.200.0160.01314.58
7.0.190.0180.01114.77
7.0.180.0210.00314.23
7.0.170.0140.01114.45
7.0.160.0210.01114.18
7.0.150.0170.01714.31
7.0.140.0210.01214.36
7.0.130.0180.00614.39
7.0.120.0180.01214.40
7.0.110.0110.01514.23
7.0.100.0160.01614.10
7.0.90.0300.00914.54
7.0.80.0190.00714.41
7.0.70.0150.01314.25
7.0.60.0140.01014.25
7.0.50.0130.01314.30
7.0.40.0170.01014.42
7.0.30.0160.01014.40
7.0.20.1020.00714.44
7.0.10.0310.01014.40
7.0.00.0130.01314.29

preferences:
43.12 ms | 401 KiB | 5 Q