3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 4; function double(&$var){ $var = $var * 2; } double($var); print_r($var);

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)
8.3.60.0110.00716.50
8.3.50.0030.01416.40
8.3.40.0060.01018.71
8.3.30.0100.01018.54
8.3.20.0000.01421.73
8.3.10.0040.00421.77
8.3.00.0050.00317.68
8.2.180.0030.01218.13
8.2.170.0040.01122.96
8.2.160.0070.00721.14
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0040.00420.38
8.2.120.0030.01026.35
8.2.110.0090.00022.20
8.2.100.0040.00717.78
8.2.90.0080.00019.14
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0000.00818.04
8.2.50.0050.00318.10
8.2.40.0000.00920.47
8.2.30.0090.00019.11
8.2.20.0040.00418.05
8.2.10.0000.00718.15
8.2.00.0030.00617.98
8.1.280.0060.00925.92
8.1.270.0090.00021.96
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00419.15
8.1.230.0070.00418.96
8.1.220.0040.00417.76
8.1.210.0040.00418.77
8.1.200.0000.01017.38
8.1.190.0080.00017.53
8.1.180.0040.00418.10
8.1.170.0080.00018.66
8.1.160.0000.00718.78
8.1.150.0070.00020.07
8.1.140.0000.00819.50
8.1.130.0040.00418.83
8.1.120.0000.00717.46
8.1.110.0000.00717.27
8.1.100.0030.00517.33
8.1.90.0030.00317.44
8.1.80.0030.00317.42
8.1.70.0000.00717.37
8.1.60.0000.00817.52
8.1.50.0050.00217.55
8.1.40.0000.00817.39
8.1.30.0050.00217.69
8.1.20.0040.00417.67
8.1.10.0080.00017.50
8.1.00.0080.00017.34
8.0.300.0030.00420.04
8.0.290.0060.00316.74
8.0.280.0030.00318.34
8.0.270.0030.00317.30
8.0.260.0000.00616.82
8.0.250.0030.00316.89
8.0.240.0030.00516.93
8.0.230.0030.00316.87
8.0.220.0030.00316.83
8.0.210.0070.00016.80
8.0.200.0000.00716.88
8.0.190.0040.00416.92
8.0.180.0030.00316.88
8.0.170.0000.00716.89
8.0.160.0000.00716.82
8.0.150.0040.00416.73
8.0.140.0000.00816.74
8.0.130.0000.00513.26
8.0.120.0020.00516.79
8.0.110.0040.00416.68
8.0.100.0000.00716.66
8.0.90.0000.00816.70
8.0.80.0030.01216.87
8.0.70.0080.00016.80
8.0.60.0080.00016.71
8.0.50.0040.00416.88
8.0.30.0110.00617.13
8.0.20.0110.00817.42
8.0.10.0070.00016.88
8.0.00.0090.00916.62
7.4.330.0020.00215.55
7.4.320.0000.00716.44
7.4.300.0000.00716.57
7.4.290.0070.00016.40
7.4.280.0020.00616.41
7.4.270.0030.00316.62
7.4.260.0030.00313.29
7.4.250.0070.00016.59
7.4.240.0050.00216.52
7.4.230.0030.00316.51
7.4.220.0130.00316.56
7.4.210.0090.01316.52
7.4.200.0070.00016.41
7.4.160.0080.00816.47
7.4.150.0070.01717.40
7.4.140.0100.00717.86
7.4.130.0120.00916.46
7.4.120.0060.01416.53
7.4.110.0140.00416.63
7.4.100.0100.00716.50
7.4.90.0090.01216.38
7.4.80.0100.00719.39
7.4.70.0060.00916.56
7.4.60.0090.00616.34
7.4.50.0070.00716.22
7.4.40.0210.00016.45
7.4.30.0070.01016.55
7.4.00.0050.01114.75
7.3.330.0030.00313.14
7.3.320.0000.00613.26
7.3.310.0070.00016.32
7.3.300.0030.00316.23
7.3.290.0080.00716.23
7.3.280.0090.00816.25
7.3.270.0140.00317.40
7.3.260.0140.00516.39
7.3.250.0120.00716.40
7.3.240.0130.01016.39
7.3.230.0090.00916.40
7.3.210.0140.00316.43
7.3.200.0130.00616.68
7.3.190.0140.00316.14
7.3.180.0120.00916.70
7.3.170.0090.00616.33
7.3.160.0100.01016.41
7.3.120.0080.00714.59
7.3.110.0020.01514.59
7.3.100.0090.00514.94
7.3.90.0050.01314.88
7.3.80.0020.01214.60
7.3.70.0040.00714.83
7.3.60.0030.01214.76
7.3.50.0050.00914.67
7.3.40.0040.01014.54
7.3.30.0050.00814.69
7.3.20.0120.00316.47
7.3.10.0050.00516.57
7.3.00.0080.00816.77
7.2.330.0080.00816.55
7.2.320.0120.01116.63
7.2.310.0130.00316.23
7.2.300.0100.00716.40
7.2.290.0060.01416.58
7.2.250.0100.00714.92
7.2.240.0050.01314.76
7.2.230.0090.00614.92
7.2.220.0070.00914.63
7.2.210.0030.01214.77
7.2.200.0040.01115.04
7.2.190.0060.00714.98
7.2.180.0080.00514.96
7.2.170.0070.00714.84
7.2.160.0090.00615.03
7.2.150.0060.00916.84
7.2.140.0060.00916.86
7.2.130.0120.00016.77
7.2.120.0080.00416.93
7.2.110.0100.00716.80
7.2.100.0070.01116.72
7.2.90.0070.00616.67
7.2.80.0080.00916.56
7.2.70.0000.01716.88
7.2.60.0060.00716.74
7.2.50.0070.01016.86
7.2.40.0030.01216.87
7.2.30.0120.00316.82
7.2.20.0030.01316.95
7.2.10.0030.01316.98
7.2.00.0000.01418.05
7.1.330.0090.00715.58
7.1.320.0040.00915.64
7.1.310.0070.00715.77
7.1.300.0030.00915.86
7.1.290.0050.01115.79
7.1.280.0030.00715.79
7.1.270.0050.00815.73
7.1.260.0080.00615.76
7.1.250.0070.00715.52
7.1.200.0090.00315.61
7.1.100.0030.01018.10
7.1.70.0030.00617.21
7.1.60.0570.01033.13
7.1.50.0600.00732.85
7.1.40.0630.01032.58
7.1.30.0800.01032.65
7.1.20.0800.01032.80
7.1.10.0670.00714.78
7.1.00.0430.01014.72
7.0.200.0430.01714.62
7.0.190.0570.00714.78
7.0.180.0530.00314.43
7.0.170.0700.00314.54
7.0.160.0800.00714.47
7.0.150.0700.00314.33
7.0.140.0800.01014.70
7.0.130.0600.00714.54
7.0.120.0470.01014.42
7.0.110.0500.00314.64
7.0.100.0400.01014.48
7.0.90.0630.00714.35
7.0.80.0400.01014.59
7.0.70.0470.01014.52
7.0.60.0370.01714.10
7.0.50.0670.01014.70
7.0.40.0500.01014.64
7.0.30.0870.01314.45
7.0.20.1430.01014.32
7.0.10.0600.01014.53
7.0.00.0730.02014.82

preferences:
60.76 ms | 401 KiB | 5 Q