3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(0, '0', NULL, 'abc', ''); foreach($arr as $key) { var_dump($key); echo ':' . strlen($key); echo PHP_EOL . PHP_EOL; }

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)
8.3.60.0130.00618.68
8.3.50.0120.00822.05
8.3.40.0140.00418.72
8.3.30.0110.00418.54
8.3.20.0000.00819.15
8.3.10.0040.00423.53
8.3.00.0040.00420.77
8.2.180.0070.01118.54
8.2.170.0170.00319.04
8.2.160.0140.00020.95
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0030.01018.89
8.2.110.0090.00020.41
8.2.100.0000.01417.72
8.2.90.0050.00322.33
8.2.80.0060.00317.97
8.2.70.0030.00618.04
8.2.60.0080.00018.22
8.2.50.0090.00018.10
8.2.40.0040.00420.55
8.2.30.0040.00419.27
8.2.20.0000.00818.11
8.2.10.0070.00017.99
8.2.00.0050.00317.60
8.1.280.0060.00925.92
8.1.270.0000.00922.20
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0030.00723.74
8.1.230.0070.00423.98
8.1.220.0050.00317.74
8.1.210.0030.00618.88
8.1.200.0040.00417.10
8.1.190.0060.00317.35
8.1.180.0060.00318.10
8.1.170.0080.00018.50
8.1.160.0030.00418.88
8.1.150.0040.00420.25
8.1.140.0040.00419.48
8.1.130.0000.00917.49
8.1.120.0030.00517.41
8.1.110.0080.00017.37
8.1.100.0030.00517.33
8.1.90.0040.00417.48
8.1.80.0030.00517.45
8.1.70.0030.00317.46
8.1.60.0000.00717.53
8.1.50.0040.00417.41
8.1.40.0030.00617.43
8.1.30.0000.00817.54
8.1.20.0030.00617.64
8.1.10.0040.00417.50
8.1.00.0040.00417.48
8.0.300.0000.00719.98
8.0.290.0030.00616.75
8.0.280.0030.00318.32
8.0.270.0000.00717.17
8.0.260.0080.00016.87
8.0.250.0000.00717.01
8.0.240.0000.00616.95
8.0.230.0050.00316.93
8.0.220.0020.00516.77
8.0.210.0030.00316.91
8.0.200.0070.00316.93
8.0.190.0000.00816.92
8.0.180.0070.00016.96
8.0.170.0000.00716.80
8.0.160.0000.00716.86
8.0.150.0000.00716.79
8.0.140.0000.00716.86
8.0.130.0000.00513.30
8.0.120.0030.00616.80
8.0.110.0000.00716.75
8.0.100.0040.00416.77
8.0.90.0070.00016.86
8.0.80.0060.00916.87
8.0.70.0000.00716.76
8.0.60.0000.00716.89
8.0.50.0000.00716.91
8.0.30.0090.00816.88
8.0.20.0130.01017.28
8.0.10.0100.01016.96
8.0.00.0090.00816.70
7.4.330.0000.00515.55
7.4.320.0000.00616.43
7.4.300.0000.00716.50
7.4.290.0040.00416.48
7.4.280.0050.00316.60
7.4.270.0070.00016.55
7.4.260.0040.00416.57
7.4.250.0000.00716.45
7.4.240.0000.00716.68
7.4.230.0030.00416.59
7.4.220.0090.00916.43
7.4.210.0030.01216.53
7.4.200.0000.00816.70
7.4.160.0110.00416.57
7.4.150.0100.00816.97
7.4.140.0100.00917.50
7.4.130.0110.00616.42
7.4.120.0100.00616.49
7.4.110.0040.01216.43
7.4.100.0120.01016.44
7.4.90.0130.00816.43
7.4.80.0130.00617.88
7.4.70.0070.01116.45
7.4.60.0080.00916.46
7.4.50.0150.00816.14
7.4.40.0070.01016.35
7.4.30.0090.01216.20
7.4.20.0090.00816.28
7.4.10.0090.00916.40
7.4.00.0060.01215.99
7.3.330.0000.00813.16
7.3.320.0050.00013.30
7.3.310.0070.00016.31
7.3.300.0030.00316.31
7.3.290.0040.01016.31
7.3.280.0060.01016.32
7.3.270.0090.00916.82
7.3.260.0090.00716.33
7.3.250.0090.00716.45
7.3.240.0080.01216.41
7.3.230.0080.00916.32
7.3.220.0070.01116.12
7.3.210.0140.00516.30
7.3.200.0120.00616.37
7.3.190.0140.00416.24
7.3.180.0100.00816.35
7.3.170.0130.01016.20
7.3.160.0110.00916.24
7.3.150.0110.00916.23
7.3.140.0070.01216.29
7.3.130.0090.01116.24
7.3.120.0100.00716.40
7.3.110.0100.00716.29
7.3.100.0110.00916.10
7.3.90.0080.00816.31
7.3.80.0090.00816.29
7.3.70.0110.00916.37
7.3.60.0080.00916.29
7.3.50.0080.01216.19
7.3.40.0090.01016.17
7.3.30.0060.01116.27
7.3.20.0130.00616.35
7.3.10.0080.00916.27
7.3.00.0160.00716.35
7.2.340.0160.00916.17
7.2.330.0140.00716.44
7.2.320.0160.00816.24
7.2.310.0100.01516.28
7.2.300.0170.00716.36
7.2.290.0120.01316.24
7.2.280.0100.00816.48
7.2.270.0140.00916.50
7.2.260.0090.01116.45
7.2.250.0140.00716.37
7.2.240.0110.00916.41
7.2.230.0090.01216.33
7.2.220.0080.01616.22
7.2.210.0140.00616.25
7.2.200.0110.01116.38
7.2.190.0100.01016.41
7.2.180.0100.01116.44
7.2.170.0120.01016.49
7.2.160.0090.01116.43
7.2.150.0180.00516.39
7.2.140.0130.01016.44
7.2.130.0150.00716.46
7.2.120.0140.00916.55
7.2.110.0120.01016.53
7.2.100.0130.00816.31
7.2.90.0120.00916.41
7.2.80.0130.00816.37
7.2.70.0170.00916.42
7.2.60.0120.00916.54
7.2.50.0130.01116.64
7.2.40.0190.00916.46
7.2.30.0120.01116.55
7.2.20.0120.00816.38
7.2.10.0180.00616.49
7.2.00.0120.00817.15
7.1.330.0450.00716.17
7.1.320.0230.00616.11
7.1.310.0160.01116.13
7.1.300.0260.00715.51
7.1.290.0230.00815.29
7.1.280.0350.00915.49
7.1.270.0230.00715.40
7.1.260.0190.01215.47
7.1.250.0300.01115.38
7.1.240.0230.00815.40
7.1.230.0230.00615.37
7.1.220.0180.01215.41
7.1.210.0390.01215.46
7.1.200.0170.00915.46
7.1.190.0250.00815.42
7.1.180.0200.00815.38
7.1.170.0200.01015.37
7.1.160.0400.00915.46
7.1.150.0190.01115.45
7.1.140.0210.00915.32
7.1.130.0200.01015.41
7.1.120.0200.00815.47
7.1.110.0170.01215.45
7.1.100.0230.00715.46
7.1.90.0210.00915.44
7.1.80.0210.01015.43
7.1.70.0250.00816.28
7.1.60.0190.00516.22
7.1.50.0200.00816.29
7.1.40.0300.01016.28
7.1.30.0170.01216.22
7.1.20.0120.01116.26
7.1.10.0190.00816.29
7.1.00.0160.01016.18
7.0.330.0210.00815.14
7.0.320.0150.01015.17
7.0.310.0310.01015.13
7.0.300.0200.01015.17
7.0.290.0210.00714.99
7.0.280.0230.00615.13
7.0.270.0220.00715.15
7.0.260.0210.01115.15
7.0.250.0130.01615.24
7.0.240.0200.01015.26
7.0.230.0200.00815.23
7.0.220.0190.00715.27
7.0.210.0170.01015.28
7.0.200.0150.00916.14
7.0.190.0160.00716.11
7.0.180.0220.00616.12
7.0.170.0140.01216.14
7.0.160.0170.00816.13
7.0.150.0210.00916.04
7.0.140.0170.00916.02
7.0.130.0140.01116.07
7.0.120.0180.00616.11
7.0.110.0160.00816.09
7.0.100.0180.00816.01
7.0.90.0180.00715.99
7.0.80.0230.01015.96
7.0.70.0250.00916.04
7.0.60.0130.01015.97
7.0.50.0140.01015.91
7.0.40.0220.01116.03
7.0.30.0180.00616.03
7.0.20.0180.00916.02
7.0.10.0160.01016.05
7.0.00.0190.00716.06
5.6.400.0200.01315.99
5.6.390.0170.01215.97
5.6.380.0210.01015.86
5.6.370.0190.01215.88
5.6.360.0200.01215.90
5.6.350.0170.01415.95
5.6.340.0210.00915.82
5.6.330.0200.00715.90
5.6.320.0230.00915.79
5.6.310.0230.00815.79
5.6.300.0160.02016.96
5.6.290.0160.02117.12
5.6.280.0170.01817.04
5.6.270.0130.02117.06
5.6.260.0170.01817.14
5.6.250.0180.01517.11
5.6.240.0180.02517.15
5.6.230.0150.02217.11
5.6.220.0180.01717.07
5.6.210.0150.01717.02
5.6.200.0120.02117.13
5.6.190.0160.03017.14
5.6.180.0150.02117.03
5.6.170.0170.01917.12
5.6.160.0150.01817.09
5.6.150.0110.02217.05
5.6.140.0220.02117.21
5.6.130.0150.02217.09
5.6.120.0140.02117.10
5.6.110.0160.02317.12
5.6.100.0160.02317.09
5.6.90.0170.01917.09
5.6.80.0170.01816.95
5.6.70.0140.02816.93
5.6.60.0150.02016.91
5.6.50.0150.02516.86
5.6.40.0190.01716.90
5.6.30.0170.02216.91
5.6.20.0180.02516.87
5.6.10.0180.02416.87
5.6.00.0160.02016.79

preferences:
53.31 ms | 401 KiB | 5 Q