3v4l.org

run code in 300+ PHP versions simultaneously
<?php function compareByLength() { $a="jani"; $b="kavi"; $aa=strlen($a) <=> strlen($b); echo "$aa Refsnes.<br>"; // echo $a; } compareByLength(); ?>

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)
8.3.70.0080.00816.28
8.3.60.0150.00016.75
8.3.50.0110.00721.14
8.3.40.0080.00818.41
8.3.30.0110.00318.57
8.3.20.0090.00920.25
8.3.10.0060.00323.61
8.3.00.0000.00823.52
8.2.190.0090.00618.27
8.2.180.0120.00316.75
8.2.170.0070.00722.96
8.2.160.0070.00720.53
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00319.82
8.2.120.0030.00526.35
8.2.110.0030.00620.75
8.2.100.0000.01118.03
8.2.90.0040.00419.22
8.2.80.0120.00017.97
8.2.70.0030.00617.50
8.2.60.0040.00417.90
8.2.50.0080.00018.07
8.2.40.0030.00522.30
8.2.30.0000.00719.50
8.2.20.0040.00417.60
8.2.10.0050.00318.00
8.2.00.0040.00418.10
8.1.280.0130.00725.92
8.1.270.0120.00424.01
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0030.00723.97
8.1.230.0000.01118.79
8.1.220.0050.00317.77
8.1.210.0000.00918.77
8.1.200.0060.00317.35
8.1.190.0040.00417.22
8.1.180.0100.00018.10
8.1.170.0040.00418.49
8.1.160.0040.00420.80
8.1.150.0000.00718.87
8.1.140.0040.00419.62
8.1.130.0030.00317.57
8.1.120.0000.00717.47
8.1.110.0030.00517.30
8.1.100.0000.00817.50
8.1.90.0000.00717.38
8.1.80.0070.00017.49
8.1.70.0030.00317.51
8.1.60.0050.00317.55
8.1.50.0050.00317.52
8.1.40.0040.00417.55
8.1.30.0080.00017.60
8.1.20.0000.00817.50
8.1.10.0040.00417.38
8.1.00.0100.00017.36
8.0.300.0000.00718.77
8.0.290.0040.00416.73
8.0.280.0070.00018.32
8.0.270.0000.00717.18
8.0.260.0030.00317.18
8.0.250.0030.00316.92
8.0.240.0000.00716.95
8.0.230.0070.00016.84
8.0.220.0040.00416.89
8.0.210.0000.00716.78
8.0.200.0060.00017.02
8.0.190.0040.00416.85
8.0.180.0110.00016.88
8.0.170.0000.00816.87
8.0.160.0040.00416.72
8.0.150.0030.00316.88
8.0.140.0000.00716.86
8.0.130.0000.00513.33
8.0.120.0000.00816.89
8.0.110.0040.00416.73
8.0.100.0070.00016.94
8.0.90.0040.00316.74
8.0.80.0040.01816.87
8.0.70.0000.00716.78
8.0.60.0030.00516.75
8.0.50.0000.00816.76
8.0.30.0110.01117.19
8.0.20.0100.00917.40
8.0.10.0070.00016.90
8.0.00.0090.01316.61
7.4.330.0020.00216.79
7.4.320.0000.00616.55
7.4.300.0040.00416.59
7.4.290.0070.00016.47
7.4.280.0090.00016.50
7.4.270.0030.00316.50
7.4.260.0070.00016.35
7.4.250.0040.00416.52
7.4.240.0040.00316.53
7.4.230.0070.00016.30
7.4.220.0100.00716.63
7.4.210.0060.00916.58
7.4.200.0000.00716.66
7.4.160.0090.00616.43
7.4.150.0130.00417.40
7.4.140.0130.00517.86
7.4.130.0050.01116.37
7.4.120.0060.01116.56
7.4.110.0170.00016.41
7.4.100.0130.00616.45
7.4.90.0140.00416.45
7.4.80.0160.00719.39
7.4.70.0100.01016.55
7.4.60.0100.00616.55
7.4.50.0000.01516.36
7.4.40.0100.00716.63
7.4.30.0120.00616.55
7.4.00.0070.01014.96
7.3.330.0040.00413.19
7.3.320.0030.00313.17
7.3.310.0070.00016.32
7.3.300.0000.00716.29
7.3.290.0030.00316.32
7.3.280.0110.00816.37
7.3.270.0070.01017.40
7.3.260.0130.01016.40
7.3.250.0090.01016.39
7.3.240.0070.01516.58
7.3.230.0070.01016.39
7.3.210.0130.00316.34
7.3.200.0060.00919.39
7.3.190.0100.00616.71
7.3.180.0100.01016.61
7.3.170.0120.00916.47
7.3.160.0000.01916.38
7.2.330.0070.01016.76
7.2.320.0110.00916.70
7.2.310.0070.01016.41
7.2.300.0090.00916.75
7.2.290.0120.00616.62
7.2.60.0050.01116.32
7.2.00.0000.01219.14
7.1.200.0070.00315.75
7.1.100.0130.00617.82
7.1.70.0000.00817.03
7.1.60.0100.01319.30
7.1.50.0150.00616.80
7.1.00.0030.07722.50
7.0.200.0000.01116.74
7.0.60.0130.04021.87
7.0.50.0100.08017.89
7.0.40.0000.05319.96
7.0.30.0330.08020.23
7.0.20.0430.07320.33
7.0.10.0000.09020.12
7.0.00.0230.06320.11
5.6.280.0030.03321.11
5.6.210.0100.06020.57
5.6.200.0130.07018.12
5.6.190.0100.08320.77
5.6.180.0500.07320.59
5.6.170.0370.06720.54
5.6.160.0030.07320.55
5.6.150.0100.07718.29
5.6.140.0000.08318.18
5.6.130.0070.03718.28
5.6.120.0130.07720.98
5.6.110.0170.07321.13
5.6.100.0030.08720.89
5.6.90.0070.04720.99
5.6.80.0130.07720.38
5.5.350.0200.08720.43
5.5.340.0000.04017.98
5.5.330.0130.03320.40
5.5.320.0500.07320.34
5.5.310.0330.08020.38
5.5.300.0030.08017.97
5.5.290.0070.03718.02
5.5.280.0000.09020.77
5.5.270.0000.05320.68
5.5.260.0170.08020.84
5.5.250.0000.08020.78
5.5.240.0230.07020.16

preferences:
66.19 ms | 401 KiB | 5 Q