3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=0); function add(int $a, int $b): int { return $a + $b; } var_dump(add("1apple", "2pear"));

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)
8.3.60.0090.00918.55
8.3.50.0070.00719.79
8.3.40.0110.00319.00
8.3.30.0040.01118.75
8.3.20.0070.00720.21
8.3.10.0000.00821.95
8.3.00.0050.00320.82
8.2.180.0090.00618.29
8.2.170.0110.00422.96
8.2.160.0030.01019.21
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0070.00020.47
8.2.120.0070.00026.35
8.2.110.0060.00321.04
8.2.100.0070.00317.92
8.2.90.0050.00319.16
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0050.00319.21
8.2.50.0080.00018.10
8.2.40.0000.00820.48
8.2.30.0040.00419.17
8.2.20.0030.00617.79
8.2.10.0000.00718.01
8.2.00.0000.00717.87
8.1.280.0110.00425.92
8.1.270.0050.00323.79
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0000.00921.27
8.1.230.0070.00417.83
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00717.35
8.1.190.0030.00617.10
8.1.180.0040.00418.10
8.1.170.0000.00818.46
8.1.160.0000.00818.91
8.1.150.0040.00418.68
8.1.140.0040.00419.42
8.1.130.0030.00317.49
8.1.120.0070.00017.24
8.1.110.0000.00717.36
8.1.100.0040.00417.36
8.1.90.0070.00017.36
8.1.80.0030.00617.37
8.1.70.0000.00717.22
8.1.60.0030.00617.57
8.1.50.0030.00517.53
8.1.40.0040.00417.46
8.1.30.0040.00417.53
8.1.20.0000.00717.57
8.1.10.0000.00717.43
8.1.00.0040.00417.46
8.0.300.0040.00418.77
8.0.290.0060.00316.75
8.0.280.0070.00018.45
8.0.270.0080.00017.26
8.0.260.0030.00317.16
8.0.250.0000.00716.92
8.0.240.0000.00816.95
8.0.230.0070.00016.81
8.0.220.0040.00416.93
8.0.210.0000.00716.78
8.0.200.0000.00616.89
8.0.190.0060.00317.00
8.0.180.0040.00416.90
8.0.170.0030.00516.83
8.0.160.0030.00416.91
8.0.150.0060.00316.90
8.0.140.0070.00016.73
8.0.130.0000.00613.37
8.0.120.0030.00516.87
8.0.110.0000.00716.77
8.0.100.0070.00016.78
8.0.90.0070.00016.98
8.0.80.0130.00316.80
8.0.70.0000.00716.80
8.0.60.0000.00716.96
8.0.50.0040.00416.74
8.0.30.0050.01416.98
8.0.20.0110.00817.40
8.0.10.0000.00816.99
8.0.00.0150.00316.73
7.4.330.0050.00015.08
7.4.320.0030.00316.29
7.4.300.0060.00016.39
7.4.290.0020.00516.55
7.4.280.0070.00016.45
7.4.270.0040.00416.31
7.4.260.0000.00716.46
7.4.250.0070.00016.28
7.4.240.0040.00416.60
7.4.230.0030.00316.19
7.4.220.0030.01416.48
7.4.210.0060.00916.57
7.4.200.0030.00316.63
7.4.160.0080.00816.40
7.4.150.0090.01017.40
7.4.140.0070.01017.86
7.4.130.0080.01116.61
7.4.120.0060.01416.33
7.4.110.0070.01016.55
7.4.100.0070.01016.36
7.4.90.0100.00716.36
7.4.80.0090.01519.39
7.4.70.0130.00316.38
7.4.60.0100.00616.57
7.4.50.0070.00716.42
7.4.40.0040.01316.42
7.4.30.0090.00616.40
7.4.00.0030.01314.97
7.3.330.0000.00613.37
7.3.320.0000.00513.37
7.3.310.0030.00316.35
7.3.300.0000.00616.41
7.3.290.0000.00716.38
7.3.280.0080.01016.34
7.3.270.0130.00317.40
7.3.260.0120.00516.61
7.3.250.0120.00816.42
7.3.240.0130.00516.46
7.3.230.0030.01816.62
7.3.210.0030.01316.38
7.3.200.0100.01316.59
7.3.190.0090.01316.50
7.3.180.0070.01016.71
7.3.170.0060.00916.44
7.3.160.0060.00916.53
7.2.330.0130.00616.52
7.2.320.0100.01016.64
7.2.310.0100.00616.56
7.2.300.0170.00016.43
7.2.290.0100.00616.39
7.2.110.0150.00716.25
7.2.60.0110.00416.63
7.2.00.0030.01319.16
7.1.200.0030.01015.68
7.1.70.0000.00816.96
7.1.60.0100.00317.14
7.1.50.0090.00916.86
7.1.00.0030.07322.44
7.0.200.0060.01016.82
7.0.70.0700.04719.88
7.0.60.0600.06319.85
7.0.50.0600.06020.29
7.0.40.0630.05720.38
7.0.30.0670.05320.41
7.0.20.0570.06720.35
7.0.10.0530.06720.41
7.0.00.0630.07020.35
5.6.280.0030.07021.12
5.6.220.0530.05720.68
5.6.210.0700.07020.53
5.6.200.0530.06021.10
5.6.190.0600.06021.06
5.6.180.0570.06321.02
5.6.170.0570.06321.17
5.6.160.0500.06721.08
5.6.150.0570.05321.17
5.6.140.0570.05721.17
5.6.130.0830.04021.00
5.6.120.0230.06021.07
5.6.110.0270.09021.07
5.6.100.0530.06321.13
5.6.90.0530.06021.00
5.6.80.0570.05720.47
5.6.70.0530.05720.46
5.6.60.0500.06020.45
5.6.50.0430.06320.52
5.6.40.0200.06720.47
5.6.30.0500.05320.46
5.6.20.0670.06020.52
5.6.10.0570.06020.43
5.6.00.0600.06720.45
5.5.360.0570.05320.46
5.5.350.0630.05320.47
5.5.340.0500.06020.95
5.5.330.0570.05320.95
5.5.320.0670.06020.70
5.5.310.0570.05320.95
5.5.300.0530.05720.86
5.5.290.0470.06720.82
5.5.280.0170.07020.92
5.5.270.0570.05720.95
5.5.260.0530.06020.69
5.5.250.0570.05720.76
5.5.240.0730.04320.24
5.5.230.0530.05720.36
5.5.220.0530.05720.33
5.5.210.0430.05720.26
5.5.200.0070.06320.17
5.5.190.0600.08320.28
5.5.180.0700.08020.28
5.5.160.0430.06320.17
5.5.150.0500.05720.20
5.5.140.0530.05720.26
5.5.130.0570.05320.23
5.5.120.0600.05320.29
5.5.110.0470.06320.12
5.5.100.0570.05720.14
5.5.90.0600.05720.07
5.5.80.0500.06320.00
5.5.70.0570.05320.14
5.5.60.0600.05320.14
5.5.50.0500.05720.18
5.5.40.0400.06020.20
5.5.30.0570.04720.20
5.5.20.0630.05020.15
5.5.10.0500.05720.08
5.5.00.0530.06020.09

preferences:
60.88 ms | 400 KiB | 5 Q