3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = array('bar', 'csdcds', 'cdscdsdd'); if (is_array($foo)) { foreach ($foo as &$value) { $value .= '1'; } unset($value); // IMPORTANT <-- } var_dump($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)
8.3.60.0160.00616.75
8.3.50.0120.00618.21
8.3.40.0150.00018.73
8.3.30.0140.00018.71
8.3.20.0040.00422.27
8.3.10.0040.00422.09
8.3.00.0080.00023.53
8.2.180.0130.00716.50
8.2.170.0070.00722.96
8.2.160.0110.00319.32
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0070.00720.87
8.2.110.0100.00022.11
8.2.100.0110.00317.84
8.2.90.0000.00819.17
8.2.80.0060.00317.97
8.2.70.0090.00017.38
8.2.60.0000.00817.80
8.2.50.0050.00318.34
8.2.40.0000.00820.41
8.2.30.0040.00419.34
8.2.20.0030.00618.16
8.2.10.0000.00718.14
8.2.00.0070.00018.11
8.1.280.0090.00625.92
8.1.270.0040.00423.96
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0070.00320.85
8.1.230.0080.00320.38
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0000.00917.47
8.1.190.0050.00317.35
8.1.180.0040.00418.10
8.1.170.0040.00418.50
8.1.160.0040.00418.88
8.1.150.0000.00820.14
8.1.140.0050.00217.48
8.1.130.0030.00317.38
8.1.120.0040.00417.49
8.1.110.0030.00617.46
8.1.100.0000.00817.43
8.1.90.0000.00817.48
8.1.80.0070.00017.41
8.1.70.0030.00317.51
8.1.60.0030.00617.58
8.1.50.0080.00017.40
8.1.40.0040.00417.39
8.1.30.0050.00317.66
8.1.20.0000.00717.65
8.1.10.0000.00717.52
8.1.00.0000.00817.40
8.0.300.0000.00718.77
8.0.290.0090.00016.71
8.0.280.0000.00818.31
8.0.270.0000.00717.16
8.0.260.0030.00316.87
8.0.250.0030.00316.85
8.0.240.0070.00316.93
8.0.230.0030.00316.85
8.0.220.0000.00716.92
8.0.210.0000.00716.85
8.0.200.0000.00716.92
8.0.190.0000.00716.82
8.0.180.0040.00416.86
8.0.170.0000.00716.81
8.0.160.0050.00316.85
8.0.150.0030.00316.80
8.0.140.0030.00616.73
8.0.130.0040.00413.39
8.0.120.0030.00516.81
8.0.110.0000.00816.89
8.0.100.0040.00416.74
8.0.90.0000.00716.75
8.0.80.0090.01216.77
8.0.70.0000.00716.83
8.0.60.0000.00716.81
8.0.50.0000.00716.87
8.0.30.0120.00916.84
8.0.20.0120.00817.40
8.0.10.0050.00316.78
8.0.00.0090.00616.68
7.4.330.0000.00515.55
7.4.320.0040.00416.60
7.4.300.0030.00316.48
7.4.290.0050.00316.59
7.4.280.0000.00716.51
7.4.270.0030.00316.51
7.4.260.0070.00316.52
7.4.250.0000.00716.55
7.4.240.0000.00716.59
7.4.230.0030.00316.68
7.4.220.0100.00716.47
7.4.210.0110.00316.50
7.4.200.0050.00216.26
7.4.160.0080.00816.39
7.4.150.0130.00717.40
7.4.140.0080.01317.86
7.4.130.0110.00616.44
7.4.120.0080.01316.51
7.4.110.0120.00416.58
7.4.100.0140.01016.39
7.4.90.0150.00316.49
7.4.80.0110.00919.39
7.4.70.0100.01016.43
7.4.60.0090.00616.59
7.4.50.0100.00716.29
7.4.40.0140.01416.58
7.4.30.0040.01216.58
7.4.00.0090.00614.83
7.3.330.0030.00313.21
7.3.320.0030.00313.11
7.3.310.0030.00516.13
7.3.300.0030.00316.16
7.3.290.0060.00816.26
7.3.280.0090.00916.26
7.3.270.0150.00317.40
7.3.260.0090.01216.48
7.3.250.0120.00616.41
7.3.240.0080.01216.58
7.3.230.0080.00816.31
7.3.210.0110.00716.37
7.3.200.0090.00916.23
7.3.190.0080.00816.55
7.3.180.0070.01416.48
7.3.170.0070.01016.30
7.3.160.0040.01116.66
7.2.330.0140.00316.32
7.2.320.0080.01116.53
7.2.310.0040.01516.76
7.2.300.0100.01316.62
7.2.290.0090.01516.68
7.2.60.0130.00316.71
7.1.200.0060.00915.83
7.1.90.0040.00918.06
7.1.80.0080.00818.12
7.1.70.0020.01117.26
7.1.60.0210.00735.15
7.1.50.0160.00934.63
7.1.40.0120.01434.31
7.1.30.0170.01034.55
7.1.20.0190.01134.54
7.1.10.0050.00916.59
7.1.00.0050.00816.58
7.0.230.0030.01017.82
7.0.220.0140.01416.89
7.0.210.0040.00916.58
7.0.200.0050.00816.70
7.0.190.0080.00516.75
7.0.180.0040.00916.41
7.0.170.0060.00716.13
7.0.160.0040.01016.35
7.0.150.0050.00916.36
7.0.140.0050.00816.46
7.0.130.0030.01116.38
7.0.120.0090.00616.58
7.0.110.0050.00816.23
7.0.100.0030.00916.39
7.0.90.0050.00816.36
7.0.80.0030.01116.38
7.0.70.0060.00616.23
7.0.60.0070.00716.11
7.0.50.0020.01216.31
7.0.40.0010.01116.47
7.0.30.0020.01016.44
7.0.20.0050.01016.31
7.0.10.0060.00716.37
7.0.00.0050.00716.42

preferences:
58.3 ms | 400 KiB | 5 Q