3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = 2; $count = new class($value) implements Countable { public function __construct($value) { $this->value = $value; } public function count() { return strlen($this->value); } }; echo count($count);

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)
8.3.110.0030.00720.94
8.3.100.0120.00618.50
8.3.90.0130.00616.87
8.3.80.0060.00318.49
8.3.70.0140.00716.75
8.3.60.0160.00316.63
8.3.50.0060.00817.56
8.3.40.0070.01418.80
8.3.30.0110.00418.76
8.3.20.0060.00821.73
8.3.10.0080.00021.89
8.3.00.0040.00420.68
8.2.230.0080.00022.58
8.2.220.0170.00324.06
8.2.210.0040.00426.77
8.2.200.0060.00318.66
8.2.190.0070.01016.58
8.2.180.0100.01018.41
8.2.170.0090.01222.96
8.2.160.0100.00322.14
8.2.150.0000.00824.18
8.2.140.0000.00724.66
8.2.130.0100.00626.16
8.2.120.0030.00620.79
8.2.110.0030.00719.34
8.2.100.0060.00617.91
8.2.90.0080.00019.23
8.2.80.0080.00017.97
8.2.70.0050.00317.93
8.2.60.0000.00817.80
8.2.50.0030.00518.10
8.2.40.0050.00320.49
8.2.30.0070.00019.50
8.2.20.0100.00017.97
8.2.10.0030.00618.15
8.2.00.0030.00518.00
8.1.290.0030.00718.88
8.1.280.0090.01225.92
8.1.270.0070.00022.05
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00319.13
8.1.230.0070.00417.76
8.1.220.0080.00017.79
8.1.210.0030.00518.77
8.1.200.0060.00317.35
8.1.190.0030.00517.35
8.1.180.0000.00818.10
8.1.170.0040.00418.88
8.1.160.0030.00518.92
8.1.150.0040.00419.08
8.1.140.0040.00417.67
8.1.130.0030.00320.21
8.1.120.0030.00317.36
8.1.110.0000.00717.36
8.1.100.0090.00017.46
8.1.90.0040.00417.36
8.1.80.0070.00417.43
8.1.70.0040.00417.48
8.1.60.0020.00517.58
8.1.50.0030.00517.50
8.1.40.0070.00017.54
8.1.30.0050.00317.63
8.1.20.0050.00317.70
8.1.10.0040.00717.59
8.1.00.0050.00217.41
8.0.300.0070.00418.77
8.0.290.0050.00316.75
8.0.280.0000.00718.39
8.0.270.0030.00317.26
8.0.260.0000.00616.69
8.0.250.0000.00916.93
8.0.240.0000.00816.86
8.0.230.0070.00016.99
8.0.220.0070.00016.87
8.0.210.0030.00316.81
8.0.200.0040.00416.82
8.0.190.0000.00816.80
8.0.180.0070.00016.89
8.0.170.0040.00416.81
8.0.160.0040.00416.92
8.0.150.0030.00316.83
8.0.140.0000.00716.79
8.0.130.0040.00413.38
8.0.120.0000.00816.79
8.0.110.0070.00016.87
8.0.100.0040.00416.73
8.0.90.0040.00416.94
8.0.80.0030.01616.88
8.0.70.0030.00516.72
8.0.60.0040.00416.81
8.0.50.0040.00416.72
8.0.30.0050.01217.15
8.0.20.0060.01117.40
8.0.10.0040.00416.91
8.0.00.0090.00916.67
7.4.330.0060.00015.55
7.4.320.0060.00016.57
7.4.300.0000.00616.66
7.4.290.0000.00816.52
7.4.280.0000.00816.50
7.4.270.0070.00016.59
7.4.260.0040.00416.42
7.4.250.0000.00716.48
7.4.240.0000.00716.58
7.4.230.0030.00316.42
7.4.220.0080.00016.41
7.4.210.0110.00416.54
7.4.200.0030.00316.63
7.4.160.0090.01016.49
7.4.140.0140.00617.86
7.4.130.0130.00616.57
7.4.120.0100.00816.50
7.4.110.0030.01316.59
7.4.100.0120.00416.55
7.4.90.0150.00416.49
7.4.80.0170.00719.39
7.4.70.0120.00916.49
7.4.60.0070.00916.55
7.4.50.0070.01016.36
7.4.40.0080.00816.29
7.4.00.0080.01014.97
7.3.330.0030.00313.30
7.3.320.0030.00313.09
7.3.310.0040.00416.25
7.3.300.0070.00016.15
7.3.290.0070.00016.15
7.3.280.0080.00816.27
7.3.260.0090.01316.42
7.3.240.0090.00916.33
7.3.230.0140.00316.28
7.3.210.0030.01316.45
7.3.200.0090.00616.38
7.3.190.0130.00316.35
7.3.180.0090.00616.52
7.3.170.0140.00816.26
7.3.160.0060.00916.30
7.3.120.0040.01115.28
7.3.110.0060.00615.28
7.3.100.0140.00315.28
7.3.90.0100.00715.28
7.3.80.0090.00615.28
7.3.70.0000.01515.28
7.3.60.0090.00615.28
7.3.50.0030.01115.28
7.3.40.0030.01015.28
7.3.30.0050.00515.28
7.3.20.0040.01116.49
7.3.10.0080.00516.66
7.3.00.0110.00316.50
7.2.330.0140.00416.77
7.2.320.0030.01316.87
7.2.310.0150.00616.80
7.2.300.0060.01416.60
7.2.290.0090.01416.58
7.2.250.0070.01315.28
7.2.240.0070.01015.28
7.2.230.0000.01815.28
7.2.220.0040.00815.28
7.2.210.0000.01415.28
7.2.200.0030.00615.28
7.2.190.0030.01015.28
7.2.180.0040.01515.28
7.2.170.0100.00315.28
7.2.130.0030.00916.94
7.2.120.0030.00916.89
7.2.110.0050.00517.02
7.2.100.0080.00016.72
7.2.90.0100.00617.03
7.2.80.0100.00617.12
7.2.70.0000.01116.89
7.2.60.0060.00716.74
7.2.50.0000.01117.11
7.2.40.1050.00817.58
7.2.30.0600.00817.51
7.2.20.0500.00917.29
7.2.10.0480.00717.41
7.2.00.0430.00917.32
7.1.330.0000.01315.54
7.1.320.0100.00315.89
7.1.310.0030.01015.88
7.1.300.0120.00315.60
7.1.290.0090.00315.51
7.1.280.0070.00715.70
7.1.270.0050.00515.98
7.1.260.0040.00715.83
7.1.250.0030.01315.86
7.1.200.0030.01215.66
7.1.160.1250.00916.87
7.1.150.1500.01316.50
7.1.140.0920.00916.39
7.1.130.0930.01016.57
7.1.120.1160.00916.87
7.1.110.0930.00816.34
7.1.100.1040.00516.42
7.1.90.2160.00815.80
7.1.80.1860.01015.93
7.1.70.1550.01515.01
7.1.60.0900.01133.26
7.1.50.1240.01232.66
7.1.40.2140.00932.54
7.1.30.0240.01332.51
7.1.20.0290.01532.64
7.1.10.1970.00914.67
7.1.00.1300.00614.87

preferences:
28.28 ms | 403 KiB | 5 Q