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)
8.3.60.0150.00018.16
8.3.50.0140.00019.78
8.3.40.0120.00618.57
8.3.30.0110.00418.48
8.3.20.0040.00420.16
8.3.10.0040.00420.53
8.3.00.0050.00323.48
8.2.180.0150.00018.28
8.2.170.0110.00322.96
8.2.160.0070.00720.57
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0020.00520.46
8.2.120.0040.00426.35
8.2.110.0100.00022.17
8.2.100.0060.00617.78
8.2.90.0040.00419.01
8.2.80.0040.00417.97
8.2.70.0090.00017.49
8.2.60.0030.00517.93
8.2.50.0040.00418.22
8.2.40.0070.00020.39
8.2.30.0050.00219.26
8.2.20.0040.00417.98
8.2.10.0080.00017.99
8.2.00.0000.00718.04
8.1.280.0070.01125.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00320.80
8.1.230.0040.00817.64
8.1.220.0050.00317.74
8.1.210.0090.00018.77
8.1.200.0060.00317.23
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0000.00818.51
8.1.160.0040.00418.80
8.1.150.0040.00418.81
8.1.140.0040.00419.06
8.1.130.0050.00218.68
8.1.120.0040.00317.38
8.1.110.0000.00817.34
8.1.100.0000.00817.26
8.1.90.0000.00717.38
8.1.80.0070.00017.29
8.1.70.0000.00717.26
8.1.60.0030.00517.43
8.1.50.0030.00717.44
8.1.40.0060.00317.34
8.1.30.0060.00317.54
8.1.20.0040.00417.52
8.1.10.0040.00417.49
8.1.00.0040.00417.44
8.0.300.0040.00418.77
8.0.290.0050.00316.63
8.0.280.0000.00718.49
8.0.270.0000.00717.25
8.0.260.0000.00816.81
8.0.250.0000.00816.97
8.0.240.0030.00316.83
8.0.230.0060.00016.80
8.0.220.0030.00716.70
8.0.210.0000.00816.85
8.0.200.0000.00616.89
8.0.190.0000.00816.81
8.0.180.0000.00716.78
8.0.170.0030.00616.92
8.0.160.0070.00016.85
8.0.150.0000.00816.63
8.0.140.0000.00716.66
8.0.130.0000.00513.24
8.0.120.0060.00316.68
8.0.110.0000.00716.74
8.0.100.0070.00016.84
8.0.90.0040.00416.66
8.0.80.0090.00616.88
8.0.70.0080.00016.80
8.0.60.0070.00016.88
8.0.50.0040.00416.71
8.0.30.0080.00917.04
8.0.20.0100.00917.40
8.0.10.0000.00717.05
8.0.00.0120.01116.67
7.4.330.0020.00215.55
7.4.320.0030.00316.42
7.4.300.0030.00316.49
7.4.290.0000.00916.42
7.4.280.0030.00616.50
7.4.270.0080.00016.43
7.4.260.0000.00816.41
7.4.250.0040.00416.36
7.4.240.0030.00316.50
7.4.230.0000.00716.46
7.4.220.0120.00616.49
7.4.210.0100.01016.49
7.4.200.0030.00316.34
7.4.160.0070.00916.49
7.4.150.0040.01317.40
7.4.140.0060.01417.86
7.4.130.0100.01016.41
7.4.120.0110.00816.36
7.4.110.0130.00616.54
7.4.100.0060.01016.32
7.4.90.0100.01316.42
7.4.80.0120.00319.39
7.4.70.0090.00916.55
7.4.60.0170.00016.32
7.4.50.0090.00616.48
7.4.40.0090.00916.46
7.4.30.0160.00016.46
7.4.00.0070.00714.92
7.3.330.0000.00513.08
7.3.320.0000.00713.01
7.3.310.0000.00816.33
7.3.300.0000.00616.04
7.3.290.0030.01216.23
7.3.280.0080.00816.29
7.3.270.0130.01017.40
7.3.260.0090.00816.53
7.3.250.0110.00716.44
7.3.240.0080.01216.48
7.3.230.0100.00616.50
7.3.210.0000.01516.21
7.3.200.0060.00916.29
7.3.190.0150.00416.14
7.3.180.0090.00916.54
7.3.170.0090.01416.30
7.3.160.0110.00616.36
7.3.10.0030.01316.32
7.3.00.0070.00416.45
7.2.330.0100.01016.39
7.2.320.0120.00616.26
7.2.310.0130.00716.56
7.2.300.0150.00316.48
7.2.290.0100.00716.29
7.2.130.0120.00316.50
7.2.120.0030.01316.28
7.2.110.0000.01416.93
7.2.100.0070.01016.57
7.2.90.0140.00716.49
7.2.80.0150.00316.64
7.2.70.0070.01116.59
7.2.60.0090.00816.81
7.2.50.0090.00916.95
7.2.40.0070.01416.31
7.2.30.0240.00316.80
7.2.20.0150.01216.63
7.2.10.0130.01016.41
7.2.00.0110.00618.17
7.1.250.0090.00314.77
7.1.200.0030.00915.62
7.1.120.0080.00418.75
7.1.110.0080.00317.74
7.1.100.0030.00717.97
7.1.90.0000.01017.76
7.1.80.0030.00718.01
7.1.70.0030.00717.18
7.1.60.0120.00935.05
7.1.50.0090.01334.81
7.1.40.0070.01734.16
7.1.30.0170.00734.47
7.1.20.0130.01034.50
7.1.10.0080.00316.38
7.1.00.0000.01116.54

preferences:
58.83 ms | 401 KiB | 5 Q