3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'str'; $b = print_r($a, true); var_dump($b);

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)
8.3.60.0100.00716.63
8.3.50.0040.01116.53
8.3.40.0110.00418.54
8.3.30.0160.00318.32
8.3.20.0040.00420.22
8.3.10.0000.00821.73
8.3.00.0090.00020.88
8.2.180.0110.00618.28
8.2.170.0070.00722.96
8.2.160.0110.00322.08
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0050.00222.26
8.2.120.0040.00426.35
8.2.110.0110.00019.39
8.2.100.0080.00417.78
8.2.90.0090.00019.13
8.2.80.0060.00317.97
8.2.70.0030.00617.13
8.2.60.0000.00817.80
8.2.50.0030.00518.10
8.2.40.0060.00322.34
8.2.30.0050.00320.86
8.2.20.0020.00517.89
8.2.10.0080.00018.03
8.2.00.0040.00417.97
8.1.280.0040.01125.92
8.1.270.0040.00423.79
8.1.260.0030.00526.35
8.1.250.0070.00028.09
8.1.240.0040.00419.03
8.1.230.0040.00719.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.10
8.1.180.0000.00718.10
8.1.170.0080.00018.53
8.1.160.0050.00318.88
8.1.150.0000.00720.52
8.1.140.0030.00519.50
8.1.130.0000.00718.86
8.1.120.0000.00817.39
8.1.110.0050.00317.26
8.1.100.0070.00017.31
8.1.90.0070.00017.32
8.1.80.0000.00817.40
8.1.70.0000.00717.38
8.1.60.0000.00817.54
8.1.50.0050.00217.49
8.1.40.0040.00417.34
8.1.30.0030.00617.57
8.1.20.0000.01017.63
8.1.10.0000.00817.45
8.1.00.0000.00717.38
8.0.300.0080.00018.77
8.0.290.0070.00016.63
8.0.280.0000.00818.30
8.0.270.0070.00017.12
8.0.260.0040.00416.65
8.0.250.0030.00316.82
8.0.240.0030.00616.80
8.0.230.0030.00316.91
8.0.220.0040.00416.84
8.0.210.0000.00716.69
8.0.200.0000.00716.88
8.0.190.0080.00016.95
8.0.180.0030.00316.84
8.0.170.0070.00016.90
8.0.160.0040.00316.75
8.0.150.0030.00316.65
8.0.140.0030.00316.67
8.0.130.0050.00213.28
8.0.120.0060.00316.79
8.0.110.0040.00416.80
8.0.100.0000.00816.71
8.0.90.0040.00416.70
8.0.80.0050.01016.82
8.0.70.0000.00716.71
8.0.60.0050.00316.78
8.0.50.0040.00416.70
8.0.30.0100.01016.96
8.0.20.0260.01517.40
8.0.10.0050.00316.98
8.0.00.0070.01016.58
7.4.330.0050.00015.55
7.4.320.0060.00016.29
7.4.300.0030.00316.52
7.4.290.0000.00716.52
7.4.280.0080.00016.42
7.4.270.0000.00716.48
7.4.260.0030.00516.42
7.4.250.0000.00816.54
7.4.240.0000.00716.48
7.4.230.0000.00816.46
7.4.220.0130.00716.52
7.4.210.0030.01216.60
7.4.200.0030.00316.27
7.4.160.0140.00416.39
7.4.150.0120.00417.40
7.4.140.0120.00717.86
7.4.130.0100.01116.28
7.4.120.0110.00916.43
7.4.110.0090.00916.38
7.4.100.0170.00716.54
7.4.90.0110.00716.21
7.4.80.0150.00919.39
7.4.70.0150.00016.41
7.4.60.0150.00616.29
7.4.50.0030.00916.32
7.4.40.0100.00616.18
7.4.30.0090.00916.32
7.4.00.0040.01414.57
7.3.330.0000.00812.97
7.3.320.0050.00013.05
7.3.310.0070.00016.14
7.3.300.0050.00316.12
7.3.290.0070.01116.11
7.3.280.0080.00916.12
7.3.270.0180.00017.40
7.3.260.0110.00916.32
7.3.250.0130.00616.39
7.3.240.0080.00916.16
7.3.230.0100.01016.23
7.3.210.0030.01416.46
7.3.200.0060.00916.37
7.3.190.0080.00816.45
7.3.180.0090.00916.50
7.3.170.0030.01316.30
7.3.160.0130.00316.44
7.2.330.0100.01316.54
7.2.320.0120.00916.32
7.2.310.0090.00916.62
7.2.300.0130.00316.50
7.2.290.0070.01016.63
7.2.60.0040.01116.63
7.2.00.0030.01019.29
7.1.200.0000.01115.58
7.1.100.0070.00717.79
7.1.70.0070.00317.25
7.1.60.0570.00733.26
7.1.50.0500.01333.00
7.1.40.0530.01032.50
7.1.30.0600.00732.46
7.1.20.0530.01032.56
7.1.10.0470.00714.92
7.1.00.0370.01014.66
7.0.200.0330.01314.93
7.0.190.0400.01014.46
7.0.180.0330.01314.38
7.0.170.0370.01314.25
7.0.160.1030.01014.42
7.0.150.0470.00014.25
7.0.140.0500.00314.16
7.0.130.0400.00714.78
7.0.120.0400.00714.72
7.0.110.0370.01014.35
7.0.100.0370.01014.27
7.0.90.0400.00314.35
7.0.80.0400.00314.21
7.0.70.0400.00314.29
7.0.60.0370.00714.30
7.0.50.0430.00714.39
7.0.40.0370.01014.57
7.0.30.0370.00714.77
7.0.20.0370.01014.52
7.0.10.0400.00314.75
7.0.00.0370.00714.43

preferences:
38.13 ms | 401 KiB | 5 Q