3v4l.org

run code in 300+ PHP versions simultaneously
<?hh function to_s(int $i): string { return (string) $i; } $i = 1; $s = 'test' + to_s($i); echo $s;

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)
8.3.40.0140.00018.72
8.3.30.0070.01118.88
8.3.20.0070.00020.22
8.3.10.0000.00823.64
8.3.00.0040.00419.05
8.2.170.0000.01522.96
8.2.160.0070.00720.47
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0080.00020.91
8.2.110.0090.00022.13
8.2.100.0070.00719.64
8.2.90.0040.00419.22
8.2.80.0080.00017.97
8.2.70.0000.00817.63
8.2.60.0040.00417.90
8.2.50.0030.00518.07
8.2.40.0040.00419.82
8.2.30.0070.00018.17
8.2.20.0020.00517.48
8.2.10.0050.00217.80
8.2.00.0060.00317.45
8.1.270.0150.00423.96
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0140.00723.86
8.1.230.0110.00019.02
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0040.00817.10
8.1.190.0030.00617.09
8.1.180.0040.00418.10
8.1.170.0040.00418.42
8.1.160.0000.00822.05
8.1.150.0000.00718.38
8.1.140.0050.00217.19
8.1.130.0030.00317.75
8.1.120.0000.00717.23
8.1.110.0040.00417.25
8.1.100.0040.00417.21
8.1.90.0040.00417.36
8.1.80.0020.00517.21
8.1.70.0030.00317.15
8.1.60.0040.00417.46
8.1.50.0070.00017.35
8.1.40.0050.00317.41
8.1.30.0040.00717.54
8.1.20.0080.00017.53
8.1.10.0040.00417.45
8.1.00.0040.00417.38
8.0.300.0070.00018.77
8.0.290.0000.00717.18
8.0.280.0070.00018.37
8.0.270.0000.00717.19
8.0.260.0000.00617.10
8.0.250.0070.00016.86
8.0.240.0000.00816.86
8.0.230.0000.00716.78
8.0.220.0050.00316.63
8.0.210.0070.00016.63
8.0.200.0000.00716.78
8.0.190.0030.00516.69
8.0.180.0000.00816.79
8.0.170.0080.00016.65
8.0.160.0070.00016.73
8.0.150.0030.00316.70
8.0.140.0000.00716.75
8.0.130.0050.00013.45
8.0.120.0050.00316.75
8.0.110.0070.00016.75
8.0.100.0000.00816.62
8.0.90.0040.00316.65
8.0.80.0090.00616.71
8.0.70.0050.00316.55
8.0.60.0000.00716.77
8.0.50.0000.00716.59
8.0.30.0130.00916.93
8.0.20.0120.00917.40
8.0.10.0040.00416.89
8.0.00.0140.00316.52
7.4.330.0020.00215.09
7.4.320.0030.00316.38
7.4.300.0040.00416.46
7.4.290.0000.00716.38
7.4.280.0000.00816.47
7.4.270.0080.00016.27
7.4.260.0040.00416.45
7.4.250.0000.00716.23
7.4.240.0020.00516.37
7.4.230.0070.00016.33
7.4.220.0090.00816.40
7.4.210.0070.01116.32
7.4.200.0080.00016.55
7.4.190.0000.00716.36
7.4.160.0100.00516.34
7.4.150.0100.00717.40
7.4.140.0070.00917.86
7.4.130.0140.00516.40
7.4.120.0070.01116.33
7.4.110.0060.01216.24
7.4.100.0070.01016.26
7.4.90.0130.00316.68
7.4.80.0110.00919.39
7.4.70.0060.01016.45
7.4.60.0100.00716.16
7.4.50.0000.00716.50
7.4.40.0130.00916.37
7.4.30.0120.00416.50
7.3.330.0050.00013.13
7.3.320.0000.00513.22
7.3.310.0070.00016.02
7.3.300.0000.00616.15
7.3.290.0070.00616.08
7.3.280.0100.00916.21
7.3.270.0080.00817.40
7.3.260.0090.00916.18
7.3.250.0100.00716.24
7.3.240.0090.01216.13
7.3.230.0110.00816.39
7.3.210.0090.00916.12
7.3.200.0060.01219.39
7.3.190.0090.00916.28
7.3.180.0110.00516.25
7.3.170.0150.00316.34
7.3.160.0120.00316.04
7.2.330.0070.01016.55
7.2.320.0040.01616.27
7.2.310.0170.00716.57
7.2.300.0030.01416.50
7.2.290.0070.01116.45
5.4.320.0040.03812.45
5.4.310.0040.03912.45
5.4.300.0100.03712.45
5.4.290.0120.04912.45
5.4.280.0080.05112.35
5.4.270.0060.04712.35
5.4.260.0080.04012.34
5.4.250.0060.04312.35
5.4.240.0040.04212.35
5.4.230.0080.03912.34
5.4.220.0100.03612.34
5.4.210.0110.05012.34
5.4.200.0150.05812.34
5.4.190.0120.04712.33
5.4.180.0120.04512.33
5.4.170.0060.04312.35
5.4.160.0060.03812.34
5.4.150.0040.04312.34
5.4.140.0040.04312.02
5.4.130.0100.03812.01
5.4.120.0070.04911.97
5.4.110.0040.04111.96
5.4.100.0110.03611.96
5.4.90.0080.04411.97
5.4.80.0070.04111.96
5.4.70.0090.04311.96
5.4.60.0090.03511.96
5.4.50.0070.03811.96
5.4.40.0070.03711.95
5.4.30.0070.03811.95
5.4.20.0060.03811.95
5.4.10.0120.04111.95
5.4.00.0100.05111.43
5.3.290.0050.03912.80
5.3.280.0090.04512.71
5.3.270.0090.06212.73
5.3.260.0120.05312.71
5.3.250.0100.05112.72
5.3.240.0060.05612.72
5.3.230.0100.05112.71
5.3.220.0090.07012.68
5.3.210.0100.06712.68
5.3.200.0100.04612.68
5.3.190.0100.03712.68
5.3.180.0090.03312.68
5.3.170.0060.03812.67
5.3.160.0140.05712.67
5.3.150.0100.05912.67
5.3.140.0100.04812.66
5.3.130.0080.05412.66
5.3.120.0090.05412.65
5.3.110.0060.05712.66
5.3.100.0070.04812.12
5.3.90.0070.05412.08
5.3.80.0090.05012.07
5.3.70.0120.05612.08
5.3.60.0130.06612.06
5.3.50.0160.04712.00
5.3.40.0100.05012.00
5.3.30.0100.05811.94
5.3.20.0100.04511.71
5.3.10.0070.03611.68
5.3.00.0070.03811.67

preferences:
35.58 ms | 400 KiB | 5 Q