3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'count(false): ',count(false),"\n"; echo 'count(0): ',count(0),"\n"; echo 'count(array(false)): ',count(array(false)),"\n"; echo 'count(array(0)): ',count(array(0)),"\n"; echo 'count(null): ',count(null),"\n"; echo 'count(array()): ',count(array()),"\n"; class Test { function __construct() { echo 'testing';} function __destruct() { echo 'bye';} } $t = Test(); echo 'count($t): ', count($t), "\n";

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)
8.3.60.0140.00016.63
8.3.50.0110.00522.14
8.3.40.0100.00718.90
8.3.30.0120.00319.07
8.3.20.0040.00420.16
8.3.10.0050.00323.66
8.3.00.0060.00317.50
8.2.180.0110.00416.75
8.2.170.0070.00722.96
8.2.160.0070.00720.22
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.01126.16
8.2.120.0100.00022.20
8.2.110.0090.00022.26
8.2.100.0110.00017.78
8.2.90.0130.00019.28
8.2.80.0080.00017.97
8.2.70.0090.00017.50
8.2.60.0030.00617.80
8.2.50.0040.00718.10
8.2.40.0000.00818.22
8.2.30.0070.00017.99
8.2.20.0030.00517.57
8.2.10.0040.00417.91
8.2.00.0030.00617.56
8.1.280.0060.01225.92
8.1.270.0000.00822.14
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00723.61
8.1.230.0060.00622.81
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0000.01017.25
8.1.190.0000.00917.22
8.1.180.0030.00618.10
8.1.170.0040.00418.39
8.1.160.0000.00721.87
8.1.150.0000.00718.52
8.1.140.0040.00417.26
8.1.130.0040.00417.71
8.1.120.0070.00317.38
8.1.110.0040.00417.33
8.1.100.0030.00317.23
8.1.90.0040.00417.34
8.1.80.0030.00317.21
8.1.70.0000.00717.20
8.1.60.0000.00717.35
8.1.50.0040.00417.37
8.1.40.0000.00817.37
8.1.30.0000.00817.54
8.1.20.0030.00617.52
8.1.10.0000.00817.48
8.1.00.0040.00417.46
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0000.00718.51
8.0.270.0000.00717.30
8.0.260.0000.00617.26
8.0.250.0030.00316.96
8.0.240.0100.00016.94
8.0.230.0050.00517.00
8.0.220.0000.00716.93
8.0.210.0030.00316.94
8.0.200.0040.00416.95
8.0.190.0050.00316.83
8.0.180.0080.00016.81
8.0.170.0050.00316.98
8.0.160.0080.00016.89
8.0.150.0000.00816.74
8.0.140.0000.00716.76
8.0.130.0040.00413.35
8.0.120.0000.00816.88
8.0.110.0040.00416.87
8.0.100.0030.00616.95
8.0.90.0000.00716.88
8.0.80.0080.00816.89
8.0.70.0050.00316.77
8.0.60.0040.00416.89
8.0.50.0000.00816.96
8.0.30.0150.00317.01
8.0.20.0120.01017.40
8.0.10.0030.00516.84
8.0.00.0080.00916.79
7.4.330.0000.00515.00
7.4.320.0100.00016.39
7.4.300.0000.00616.44
7.4.290.0000.00716.56
7.4.280.0040.00416.45
7.4.270.0000.00716.59
7.4.260.0000.00816.34
7.4.250.0030.00316.42
7.4.240.0050.00216.42
7.4.230.0000.00716.35
7.4.220.0070.01016.39
7.4.210.0050.00916.54
7.4.200.0000.00716.62
7.4.190.0040.00416.61
7.4.160.0060.01016.41
7.4.150.0140.00817.40
7.4.140.0110.00617.86
7.4.130.0110.00716.54
7.4.120.0050.01316.56
7.4.110.0130.01016.34
7.4.100.0100.01016.40
7.4.90.0070.01016.40
7.4.80.0060.01319.39
7.4.70.0070.00916.56
7.4.60.0130.00316.33
7.4.50.0090.00016.39
7.4.40.0150.00022.77
7.4.30.0070.01416.46
7.4.00.0030.00615.11
7.3.330.0050.00013.32
7.3.320.0000.00513.20
7.3.310.0040.00416.34
7.3.300.0000.00716.36
7.3.290.0080.00816.30
7.3.280.0050.01316.33
7.3.270.0050.01117.40
7.3.260.0130.00416.43
7.3.250.0070.01216.48
7.3.240.0030.01416.32
7.3.230.0100.00716.39
7.3.210.0070.01016.45
7.3.200.0070.01019.39
7.3.190.0030.01316.28
7.3.180.0160.00616.31
7.3.170.0090.00616.31
7.3.160.0040.01416.51
7.3.120.0090.00615.02
7.2.330.0110.00616.89
7.2.320.0030.01416.55
7.2.310.0000.01716.39
7.2.300.0030.01516.51
7.2.290.0140.00716.61
7.2.60.0110.00317.05
7.2.00.0060.00619.34
7.1.200.0000.01315.75
7.1.100.0100.00317.86
7.1.70.0090.00016.79
7.1.60.0090.00419.33
7.1.50.0130.00316.94
7.1.00.0100.07022.31
7.0.200.0140.00415.07
7.0.140.0070.07022.21
7.0.60.0000.05019.83
7.0.50.0130.05317.94
7.0.40.0200.07020.25
7.0.30.0300.04020.07
7.0.20.0170.06720.22
7.0.10.0070.08020.24
7.0.00.0100.08020.30
5.6.280.0100.06721.14
5.6.210.0070.07720.51
5.6.200.0070.08018.27
5.6.190.0030.04720.39
5.6.180.0300.04020.46
5.6.170.0270.07720.47
5.6.160.0130.08320.46
5.6.150.0070.07318.15
5.6.140.0030.05318.12
5.6.130.0130.07018.27
5.6.120.0070.04021.13
5.6.110.0030.04020.99
5.6.100.0100.03720.94
5.6.90.0100.08020.97
5.6.80.0000.04020.41
5.6.70.4430.03320.45
5.5.350.0100.08020.44
5.5.340.0130.07318.00
5.5.330.0030.04320.37
5.5.320.0330.07720.27
5.5.310.0070.05020.37
5.5.300.0030.04717.95
5.5.290.0000.06018.00
5.5.280.0100.03720.88
5.5.270.0070.04020.68
5.5.260.0100.07720.65
5.5.250.0000.04320.51
5.5.240.0230.06720.29
5.4.450.0270.05019.32
5.4.440.0400.06319.55
5.4.430.0130.06319.33
5.4.420.0200.05719.38
5.4.410.0370.04719.34
5.4.400.0200.05319.15
5.4.390.0200.05318.86
5.4.380.0200.05318.76
5.4.370.0400.05318.77
5.4.360.0200.05018.48
5.4.350.0200.05318.71
5.4.340.0330.05718.74
5.4.320.0080.04112.50
5.4.310.0070.03912.50
5.4.300.0050.03712.50
5.4.290.0100.04612.50
5.4.280.0120.03912.37
5.4.270.0120.04812.37
5.4.260.0100.04812.37
5.4.250.0100.05212.37
5.4.240.0090.05812.37
5.4.230.0130.06612.36
5.4.220.0120.05812.36
5.4.210.0100.04912.36
5.4.200.0240.07912.36
5.4.190.0220.09312.36
5.4.180.0130.06112.36
5.4.170.0110.06212.37
5.4.160.0100.06212.37
5.4.150.0140.05512.36
5.4.140.0110.07712.05
5.4.130.0110.04112.03
5.4.120.0120.04211.99
5.4.110.0070.05411.99
5.4.100.0090.05011.98
5.4.90.0150.04711.99
5.4.80.0130.05311.99
5.4.70.0120.04911.98
5.4.60.0120.04711.98
5.4.50.0110.05511.98
5.4.40.0090.05011.97
5.4.30.0120.04711.96
5.4.20.0090.05311.97
5.4.10.0090.05511.97
5.4.00.0090.05511.46
5.3.290.0080.04412.80
5.3.280.0160.05012.70
5.3.270.0100.05912.72
5.3.260.0090.05912.72
5.3.250.0120.05312.72
5.3.240.0140.05112.72
5.3.230.0100.05512.71
5.3.220.0080.05712.68
5.3.210.0130.05512.68
5.3.200.0130.05112.68
5.3.190.0130.04812.68
5.3.180.0160.04912.67
5.3.170.0090.05512.67
5.3.160.0140.04912.67
5.3.150.0130.05012.68
5.3.140.0050.05712.66
5.3.130.0080.05612.66
5.3.120.0100.05412.65
5.3.110.0130.05312.66
5.3.100.0090.04912.12
5.3.90.0100.05212.08
5.3.80.0060.05312.07
5.3.70.0110.04812.07
5.3.60.0050.05512.06
5.3.50.0110.04612.00
5.3.40.0110.05212.00
5.3.30.0140.05111.96
5.3.20.0130.04711.74
5.3.10.0110.04611.70
5.3.00.0070.05311.70
5.2.170.0110.0479.19
5.2.160.0090.0629.19
5.2.150.0100.0649.19
5.2.140.0070.0429.19
5.2.130.0050.0439.15
5.2.120.0080.0339.15
5.2.110.0050.0349.15
5.2.100.0060.0309.16
5.2.90.0110.0399.15
5.2.80.0070.0429.15
5.2.70.0050.0449.15
5.2.60.0060.0339.10
5.2.50.0050.0359.07
5.2.40.0050.0389.04
5.2.30.0060.0429.03
5.2.20.0070.0399.01
5.2.10.0060.0438.92
5.2.00.0100.0368.79
5.1.60.0110.0288.07
5.1.50.0110.0278.07
5.1.40.0110.0238.06
5.1.30.0090.0278.40
5.1.20.0070.0368.43
5.1.10.0070.0348.14
5.1.00.0070.0338.14
5.0.50.0050.0276.63
5.0.40.0070.0236.48
5.0.30.0030.0336.29
5.0.20.0030.0266.27
5.0.10.0040.0216.24
5.0.00.0040.0356.23
4.4.90.0050.0184.78
4.4.80.0060.0204.75
4.4.70.0060.0204.75
4.4.60.0040.0234.75
4.4.50.0050.0234.77
4.4.40.0090.0444.71
4.4.30.0050.0234.76
4.4.20.0050.0214.84
4.4.10.0040.0224.84
4.4.00.0050.0314.76
4.3.110.0060.0214.67
4.3.100.0070.0174.67
4.3.90.0070.0184.63
4.3.80.0030.0324.59
4.3.70.0040.0214.63
4.3.60.0090.0174.63
4.3.50.0060.0184.62
4.3.40.0050.0324.54
4.3.30.0050.0203.29
4.3.20.0030.0213.28
4.3.10.0040.0203.24
4.3.00.0030.0207.82

preferences:
55.43 ms | 401 KiB | 5 Q