3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 5; $i = 4; for($i = &$a; $i < 10; ++$i); echo "a=$a, i=$i";

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)
8.3.60.0090.00916.50
8.3.50.0120.00317.95
8.3.40.0030.01218.85
8.3.30.0070.00718.63
8.3.20.0000.00820.13
8.3.10.0080.00021.77
8.3.00.0080.00019.69
8.2.180.0000.01918.16
8.2.170.0110.00422.96
8.2.160.0100.00720.39
8.2.150.0110.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00320.94
8.2.120.0070.00026.35
8.2.110.0070.00322.24
8.2.100.0000.01119.18
8.2.90.0040.00418.03
8.2.80.0040.00419.34
8.2.70.0040.00417.93
8.2.60.0030.00518.03
8.2.50.0000.00718.16
8.2.40.0000.00822.36
8.2.30.0040.00419.40
8.2.20.0000.00718.22
8.2.10.0060.00317.93
8.2.00.0070.00018.14
8.1.280.0060.01025.92
8.1.270.0080.00020.38
8.1.260.0030.00526.35
8.1.250.0040.01128.09
8.1.240.0060.00322.19
8.1.230.0070.00420.97
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0000.00817.23
8.1.190.0060.00317.23
8.1.180.0050.00218.10
8.1.170.0050.00318.55
8.1.160.0000.00718.75
8.1.150.0000.00820.25
8.1.140.0070.00017.70
8.1.130.0000.00718.79
8.1.120.0000.00717.42
8.1.110.0040.00417.33
8.1.100.0000.00717.33
8.1.90.0030.00617.50
8.1.80.0040.00417.46
8.1.70.0030.00517.45
8.1.60.0000.00717.45
8.1.50.0040.00417.45
8.1.40.0080.00017.50
8.1.30.0060.00317.66
8.1.20.0000.00717.68
8.1.10.0030.00517.51
8.1.00.0000.00717.44
8.0.300.0060.00319.98
8.0.290.0050.00216.63
8.0.280.0040.00418.34
8.0.270.0030.00317.13
8.0.260.0040.00416.91
8.0.250.0000.00816.84
8.0.240.0000.00816.90
8.0.230.0000.00716.93
8.0.220.0030.00616.82
8.0.210.0040.00416.76
8.0.200.0030.00316.80
8.0.190.0080.00416.95
8.0.180.0000.00716.88
8.0.170.0090.00316.83
8.0.160.0000.00716.96
8.0.150.0000.00816.88
8.0.140.0000.00716.89
8.0.130.0030.00313.23
8.0.120.0030.00316.77
8.0.110.0000.00716.69
8.0.100.0040.00416.92
8.0.90.0040.00416.94
8.0.80.0120.00316.87
8.0.70.0040.00416.87
8.0.60.0030.00516.82
8.0.50.0040.00416.67
8.0.30.0080.01017.00
8.0.20.0090.01017.40
8.0.10.0050.00216.82
8.0.00.0100.00616.66
7.4.330.0000.00515.55
7.4.320.0030.00316.41
7.4.300.0000.00616.39
7.4.290.0030.00616.50
7.4.280.0030.00616.54
7.4.270.0000.00716.50
7.4.260.0000.00716.46
7.4.250.0040.00416.37
7.4.240.0030.00316.47
7.4.230.0000.00716.70
7.4.220.0000.00716.56
7.4.210.0100.01016.60
7.4.200.0030.00316.57
7.4.160.0080.01016.51
7.4.150.0030.01817.40
7.4.140.0100.01117.86
7.4.130.0130.00416.46
7.4.120.0100.00716.47
7.4.110.0100.00616.38
7.4.100.0120.00616.44
7.4.90.0060.01216.42
7.4.80.0060.01219.39
7.4.70.0060.01016.44
7.4.60.0030.01316.53
7.4.50.0100.00716.42
7.4.40.0110.00716.52
7.4.00.0070.00714.83
7.3.330.0030.00313.07
7.3.320.0000.00613.24
7.3.310.0000.00916.25
7.3.300.0030.00516.23
7.3.290.0040.01016.29
7.3.280.0140.00616.29
7.3.270.0140.00417.40
7.3.260.0140.00716.33
7.3.250.0080.01116.36
7.3.240.0090.00916.47
7.3.230.0100.00716.29
7.3.210.0130.00316.61
7.3.200.0080.00816.20
7.3.190.0060.00916.29
7.3.180.0070.01116.32
7.3.170.0100.00716.42
7.3.160.0100.00616.21
7.3.10.0070.00716.51
7.3.00.0040.01116.48
7.2.330.0070.01016.52
7.2.320.0100.00716.76
7.2.310.0040.01216.63
7.2.300.0090.00616.62
7.2.290.0100.00616.55
7.2.130.0060.00916.77
7.2.120.0040.01117.00
7.2.110.0060.00916.99
7.2.100.0030.01416.92
7.2.90.0060.01117.02
7.2.80.0040.01417.03
7.2.70.0030.00616.95
7.2.60.0100.00816.94
7.2.50.0060.00916.67
7.2.40.0070.00316.97
7.2.30.0060.01017.00
7.2.20.0110.00716.91
7.2.10.0320.00917.50
7.2.00.0180.01317.41
7.1.250.0100.00015.52
7.1.200.0040.01215.75
7.1.130.0320.01316.38
7.1.120.0450.01516.75
7.1.110.0360.00316.14
7.1.100.0310.01016.03
7.1.90.0400.01316.33
7.1.80.0400.01116.01
7.1.70.0390.01315.06
7.1.60.0510.01933.02
7.1.50.0620.00732.82
7.1.40.0680.01032.25
7.1.30.0510.01432.60
7.1.20.0510.01032.40
7.1.10.0490.01014.54
7.1.00.0320.01314.80

preferences:
50.49 ms | 401 KiB | 5 Q