3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a =1; echo $a+$a++;

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)
8.3.60.0130.00616.63
8.3.50.0140.00716.35
8.3.40.0070.00718.79
8.3.30.0180.00418.46
8.3.20.0040.00420.27
8.3.10.0070.00021.77
8.3.00.0040.00420.80
8.2.180.0100.00718.05
8.2.170.0040.01122.96
8.2.160.0000.01322.26
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00420.35
8.2.120.0030.01026.35
8.2.110.0000.01020.47
8.2.100.0090.00317.64
8.2.90.0050.00319.19
8.2.80.0050.00317.97
8.2.70.0050.00317.50
8.2.60.0000.00817.93
8.2.50.0030.00618.10
8.2.40.0040.00420.59
8.2.30.0030.00520.91
8.2.20.0000.00718.06
8.2.10.0000.00717.86
8.2.00.0040.00417.85
8.1.280.0100.00325.92
8.1.270.0070.00023.96
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0100.00020.78
8.1.230.0000.01219.14
8.1.220.0040.00417.76
8.1.210.0040.00418.77
8.1.200.0030.00717.35
8.1.190.0000.00817.10
8.1.180.0000.00718.10
8.1.170.0000.00818.47
8.1.160.0000.00719.00
8.1.150.0040.00418.81
8.1.140.0070.00019.41
8.1.130.0030.00318.79
8.1.120.0030.00317.27
8.1.110.0000.00817.39
8.1.100.0040.00417.39
8.1.90.0040.00417.40
8.1.80.0000.00717.38
8.1.70.0000.00717.34
8.1.60.0060.00317.50
8.1.50.0040.00417.34
8.1.40.0000.00717.43
8.1.30.0040.00417.47
8.1.20.0030.00517.64
8.1.10.0080.00017.39
8.1.00.0000.00817.34
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0040.00418.44
8.0.270.0030.00317.25
8.0.260.0000.00616.68
8.0.250.0000.00716.93
8.0.240.0080.00016.82
8.0.230.0000.00716.86
8.0.220.0030.00316.77
8.0.210.0030.00316.86
8.0.200.0060.00016.92
8.0.190.0060.00316.88
8.0.180.0080.00016.77
8.0.170.0000.00716.84
8.0.160.0000.00716.84
8.0.150.0000.00716.78
8.0.140.0000.00716.80
8.0.130.0050.00013.28
8.0.120.0000.00716.67
8.0.110.0040.00416.82
8.0.100.0020.00516.61
8.0.90.0070.00016.73
8.0.80.0060.00916.84
8.0.70.0040.00316.83
8.0.60.0070.00016.83
8.0.50.0040.00416.78
8.0.30.0120.00516.79
8.0.20.0100.01317.40
8.0.10.0050.00316.85
8.0.00.0000.01716.67
7.4.330.0000.00515.55
7.4.320.0030.00316.58
7.4.300.0030.00316.44
7.4.290.0070.00016.45
7.4.280.0080.00016.43
7.4.270.0000.00716.45
7.4.260.0030.00313.20
7.4.250.0000.00816.47
7.4.240.0000.00716.48
7.4.230.0030.00316.40
7.4.220.0040.01516.62
7.4.210.0070.00816.59
7.4.200.0030.00316.61
7.4.160.0120.00416.36
7.4.150.0090.00817.40
7.4.140.0110.00817.86
7.4.130.0100.01316.36
7.4.120.0100.00716.40
7.4.110.0090.00916.46
7.4.100.0120.00616.55
7.4.90.0090.00916.27
7.4.80.0090.01019.39
7.4.70.0120.00916.43
7.4.60.0030.01316.56
7.4.50.0120.00416.32
7.4.40.0120.00416.43
7.4.30.0060.01016.49
7.4.00.0060.01015.14
7.3.330.0020.00213.04
7.3.320.0050.00013.13
7.3.310.0030.00316.19
7.3.300.0030.00316.27
7.3.290.0060.00016.16
7.3.280.0070.01116.27
7.3.270.0130.00717.40
7.3.260.0060.01116.44
7.3.250.0140.00916.44
7.3.240.0080.01016.48
7.3.230.0100.01316.36
7.3.210.0080.00816.29
7.3.200.0060.01016.14
7.3.190.0100.01116.45
7.3.180.0120.00316.44
7.3.170.0030.01416.61
7.3.160.0140.00416.23
7.2.330.0120.00616.61
7.2.320.0060.01216.77
7.2.310.0100.00716.22
7.2.300.0100.01316.71
7.2.290.0170.01616.43
7.2.60.0070.00716.82
7.2.00.0000.01219.12
7.1.200.0100.00315.75
7.1.100.0060.00617.93
7.1.70.0000.00717.15
7.1.60.0330.01733.22
7.1.50.0370.01332.77
7.1.40.0270.01732.52
7.1.30.0330.01732.51
7.1.20.0300.01332.71
7.1.10.0170.01014.49
7.1.00.0170.01014.73
7.0.200.0170.01014.86
7.0.190.0200.00714.75
7.0.180.0170.01014.47
7.0.170.0170.02014.50
7.0.160.0200.01014.31
7.0.150.0230.00714.25
7.0.140.0270.00014.62
7.0.130.1500.00714.57
7.0.120.0130.01314.82
7.0.110.0130.01714.41
7.0.100.0200.01014.56
7.0.90.0170.01314.37
7.0.80.0170.01014.44
7.0.70.0230.00714.17
7.0.60.0130.01314.29
7.0.50.0170.01014.53
7.0.40.0270.00314.63
7.0.30.0200.00714.36
7.0.20.0170.01014.50
7.0.10.0230.00714.58
7.0.00.0200.00714.59

preferences:
38.91 ms | 401 KiB | 5 Q