3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = range(1,10); $c1 = count($arr); $c2 = &count($arr); var_dump($c1, $c2);

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)
8.3.60.0070.01818.43
8.3.50.0100.00616.60
8.3.40.0140.00718.47
8.3.30.0070.00718.63
8.3.20.0080.00020.64
8.3.10.0080.00021.63
8.3.00.0110.00419.48
8.2.180.0070.01418.29
8.2.170.0110.00422.96
8.2.160.0100.00320.44
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00420.52
8.2.120.0030.00526.35
8.2.110.0110.00720.43
8.2.100.0080.00417.91
8.2.90.0000.00719.09
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0080.00017.80
8.2.50.0040.00418.10
8.2.40.0040.00422.28
8.2.30.0000.00820.79
8.2.20.0070.00017.98
8.2.10.0000.00717.90
8.2.00.0040.00417.80
8.1.280.0110.00425.92
8.1.270.0050.00323.97
8.1.260.0000.00926.35
8.1.250.0000.00728.09
8.1.240.0060.00320.77
8.1.230.0070.00419.16
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0090.00017.22
8.1.190.0000.00716.98
8.1.180.0040.00418.10
8.1.170.0070.00318.59
8.1.160.0050.00218.87
8.1.150.0070.00020.54
8.1.140.0040.00417.29
8.1.130.0080.00018.71
8.1.120.0030.00517.36
8.1.110.0000.00717.25
8.1.100.0070.00017.33
8.1.90.0000.00817.16
8.1.80.0060.00317.33
8.1.70.0000.00717.28
8.1.60.0040.00417.41
8.1.50.0000.00817.36
8.1.40.0080.00317.41
8.1.30.0040.00417.34
8.1.20.0080.00417.38
8.1.10.0040.00417.39
8.1.00.0030.00517.28
8.0.300.0080.00018.77
8.0.290.0070.00016.63
8.0.280.0000.00718.29
8.0.270.0000.00817.13
8.0.260.0030.00316.66
8.0.250.0000.00716.87
8.0.240.0050.00316.88
8.0.230.0000.00716.70
8.0.220.0000.00816.84
8.0.210.0030.00616.78
8.0.200.0030.00316.77
8.0.190.0040.00416.87
8.0.180.0040.00416.74
8.0.170.0030.00516.82
8.0.160.0050.00316.87
8.0.150.0040.00416.70
8.0.140.0000.00716.81
8.0.130.0030.00313.24
8.0.120.0000.00816.82
8.0.110.0000.00816.75
8.0.100.0040.00416.84
8.0.90.0030.00416.88
8.0.80.0070.01416.76
8.0.70.0040.00416.80
8.0.60.0030.00316.68
8.0.50.0030.00516.71
8.0.30.0130.00616.93
8.0.20.0120.00817.40
8.0.10.0000.00716.93
8.0.00.0090.00916.45
7.4.330.0000.00515.55
7.4.320.0060.00016.50
7.4.300.0030.00316.21
7.4.290.0100.00016.45
7.4.280.0070.00016.25
7.4.270.0000.00716.46
7.4.260.0030.00313.14
7.4.250.0040.00416.41
7.4.240.0050.00316.47
7.4.230.0030.00316.50
7.4.220.0070.01716.39
7.4.210.0030.01316.46
7.4.200.0030.00516.48
7.4.160.0100.00916.36
7.4.150.0110.00717.40
7.4.140.0140.01017.86
7.4.130.0130.01016.47
7.4.120.0130.00816.38
7.4.110.0050.01116.52
7.4.100.0140.00716.45
7.4.90.0090.00916.67
7.4.80.0160.00619.39
7.4.70.0130.00316.38
7.4.60.0080.00816.52
7.4.50.0100.00716.21
7.4.40.0030.01216.50
7.4.30.0060.01016.32
7.4.00.0070.00715.04
7.3.330.0100.00013.11
7.3.320.0000.00512.92
7.3.310.0000.00716.26
7.3.300.0040.00416.09
7.3.290.0110.00316.20
7.3.280.0090.00816.19
7.3.270.0130.00317.40
7.3.260.0090.00716.32
7.3.250.0090.01016.33
7.3.240.0080.00816.39
7.3.230.0030.01216.33
7.3.210.0130.00316.30
7.3.200.0090.00916.31
7.3.190.0120.00316.31
7.3.180.0100.01016.08
7.3.170.0100.01216.18
7.3.160.0100.00716.29
7.3.120.0030.01614.54
7.3.110.0070.00714.91
7.3.100.0060.00614.60
7.3.90.0060.00914.68
7.3.80.0060.00614.55
7.3.70.0000.01014.57
7.3.60.0040.00414.76
7.3.50.0040.00414.40
7.3.40.0040.01114.76
7.3.30.0080.00714.70
7.3.20.0050.00316.66
7.3.10.0030.01316.54
7.3.00.0090.00016.20
7.2.330.0060.01116.50
7.2.320.0070.01316.23
7.2.310.0120.00316.24
7.2.300.0090.00616.10
7.2.290.0130.00316.09
7.2.240.0100.01014.90
7.2.230.0060.01214.74
7.2.220.0060.00915.00
7.2.210.0100.00714.75
7.2.200.0070.01114.81
7.2.190.0090.00314.59
7.2.180.0030.00614.80
7.2.170.0100.00714.76
7.2.160.0090.00614.70
7.2.150.0030.01316.62
7.2.140.0090.00916.74
7.2.130.0030.00616.58
7.2.120.0110.00416.78
7.2.110.0070.00716.43
7.2.100.0060.00316.81
7.2.90.0070.00316.82
7.2.80.0030.01316.70
7.2.70.0030.01016.47
7.2.60.0030.00916.60
7.2.50.0000.01416.72
7.2.40.0030.00616.53
7.2.30.0030.00616.54
7.2.20.0000.01616.29
7.2.10.0070.00716.55
7.2.00.0070.01217.38
7.1.330.0030.01315.71
7.1.320.0030.00915.63
7.1.310.0100.00316.01
7.1.300.0030.01015.82
7.1.290.0030.01015.73
7.1.280.0040.01115.79
7.1.270.0050.00315.80
7.1.260.0030.01015.45
7.1.250.0000.01115.44
7.1.200.0030.01015.59
7.1.100.0080.00618.13
7.1.70.0000.00916.81
7.1.60.2500.01032.89
7.1.50.2700.01732.89
7.1.40.3300.00732.57
7.1.30.3770.02032.81
7.1.20.2700.01032.59
7.1.10.1900.00714.56
7.1.00.3030.00714.94
7.0.200.3200.01014.80
7.0.190.4170.01314.48
7.0.180.3770.01314.40
7.0.170.5200.01014.36
7.0.160.3170.01314.11
7.0.150.2400.01314.35
7.0.140.3700.00714.38
7.0.130.2800.01314.57
7.0.120.3730.01314.56
7.0.110.1830.01314.53
7.0.100.1800.01314.15
7.0.90.2500.01314.34
7.0.80.1800.01014.48
7.0.70.2330.01014.47
7.0.60.2370.01714.22
7.0.50.2470.02014.43
7.0.40.2630.01314.82
7.0.30.2870.01014.76
7.0.20.2530.00714.67
7.0.10.2370.02314.41
7.0.00.2470.01014.59

preferences:
46.62 ms | 401 KiB | 5 Q