3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $a[] = $a; var_dump(count($a,COUNT_RECURSIVE));

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)
8.3.60.0120.00318.43
8.3.50.0090.01021.11
8.3.40.0040.01218.60
8.3.30.0030.01418.79
8.3.20.0040.00420.21
8.3.10.0080.00023.54
8.3.00.0030.00717.25
8.2.180.0150.00616.50
8.2.170.0060.00922.96
8.2.160.0070.00720.52
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0080.00022.23
8.2.110.0090.00022.08
8.2.100.0000.01417.74
8.2.90.0040.00419.08
8.2.80.0050.00317.97
8.2.70.0040.00817.63
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0040.00419.75
8.2.30.0000.00817.99
8.2.20.0050.00317.59
8.2.10.0070.00018.03
8.2.00.0000.00917.68
8.1.280.0100.00725.92
8.1.270.0040.00423.83
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0040.00423.83
8.1.230.0060.00622.11
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0040.00417.13
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0000.00718.39
8.1.160.0000.00721.96
8.1.150.0000.00918.80
8.1.140.0000.00717.29
8.1.130.0030.00317.93
8.1.120.0000.00717.35
8.1.110.0040.00417.44
8.1.100.0050.00217.38
8.1.90.0070.00017.40
8.1.80.0040.00417.31
8.1.70.0030.00317.39
8.1.60.0060.00317.41
8.1.50.0030.00517.49
8.1.40.0000.00817.43
8.1.30.0000.00817.64
8.1.20.0040.00417.49
8.1.10.0040.00417.36
8.1.00.0000.00817.25
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0000.00718.36
8.0.270.0030.00317.18
8.0.260.0060.00017.18
8.0.250.0030.00316.89
8.0.240.0000.00716.94
8.0.230.0040.00416.89
8.0.220.0030.00516.76
8.0.210.0030.00316.77
8.0.200.0060.00316.92
8.0.190.0080.00016.83
8.0.180.0070.00016.85
8.0.170.0040.00416.86
8.0.160.0030.00316.76
8.0.150.0070.00016.65
8.0.140.0080.00016.77
8.0.130.0000.00513.25
8.0.120.0040.00416.70
8.0.110.0040.00416.86
8.0.100.0070.00016.70
8.0.90.0070.00016.81
8.0.80.0000.02216.87
8.0.70.0040.00416.78
8.0.60.0040.00416.88
8.0.50.0080.00016.61
8.0.30.0130.00917.02
8.0.20.0060.01317.40
8.0.10.0030.00316.82
8.0.00.0100.00716.82
7.4.330.0000.00515.00
7.4.320.0000.00716.54
7.4.300.0030.00316.39
7.4.290.0040.00416.51
7.4.280.0040.00416.52
7.4.270.0030.00316.50
7.4.260.0080.00016.30
7.4.250.0050.00216.46
7.4.240.0030.00416.53
7.4.230.0030.00316.41
7.4.220.0060.01216.62
7.4.210.0060.00916.62
7.4.200.0030.00316.54
7.4.160.0130.00316.46
7.4.150.0100.01017.40
7.4.140.0100.00817.86
7.4.130.0060.01016.53
7.4.120.0120.00616.54
7.4.110.0100.00616.39
7.4.100.0040.01316.61
7.4.90.0030.01316.43
7.4.80.0170.00419.39
7.4.70.0030.01416.45
7.4.60.0030.01316.65
7.4.50.0030.00516.47
7.4.40.0000.01716.63
7.4.30.0040.01116.45
7.4.10.0130.00314.77
7.4.00.0110.00715.11
7.3.330.0060.00012.98
7.3.320.0060.00013.09
7.3.310.0040.00416.23
7.3.300.0070.00016.10
7.3.290.0100.00716.15
7.3.280.0050.01316.19
7.3.270.0100.00717.40
7.3.260.0160.00716.49
7.3.250.0130.00516.31
7.3.240.0030.01316.21
7.3.230.0030.01316.45
7.3.210.0090.00616.15
7.3.200.0120.00619.39
7.3.190.0000.02016.43
7.3.180.0000.01616.46
7.3.170.0040.01116.27
7.3.160.0060.00916.56
7.3.130.0030.01014.84
7.3.120.0070.01015.00
7.3.110.0030.01414.91
7.3.100.0080.00414.94
7.3.90.0110.00714.72
7.3.80.0150.00314.80
7.3.70.0090.00314.49
7.3.60.0070.00714.50
7.3.50.0110.00714.81
7.3.40.0030.00714.69
7.3.30.0000.01414.75
7.3.20.0030.01016.35
7.3.10.0030.00916.57
7.3.00.0070.00616.50
7.2.330.0070.01116.56
7.2.320.0030.01416.45
7.2.310.0110.00616.58
7.2.300.0030.01316.65
7.2.290.0120.01216.32
7.2.260.0070.01315.17
7.2.250.0080.01114.91
7.2.240.0120.00315.09
7.2.230.0070.00715.19
7.2.220.0060.00915.22
7.2.210.0060.00914.83
7.2.200.0000.00914.96
7.2.190.0100.01015.04
7.2.180.0060.01214.84
7.2.170.0030.00614.53
7.2.160.0030.01015.12
7.2.150.0030.01416.57
7.2.140.0090.00616.84
7.2.130.0070.00716.75
7.2.120.0050.00916.81
7.2.110.0090.00516.62
7.2.100.0080.00516.75
7.2.90.0090.00516.81
7.2.80.0060.01016.72
7.2.70.0030.00816.61
7.2.60.0060.00816.84
7.2.50.0040.01016.84
7.2.40.0070.00816.78
7.2.30.0080.00816.74
7.2.20.0080.00516.87
7.2.10.0050.00716.78
7.2.00.0040.01017.38
7.1.330.0070.00715.70
7.1.320.0070.00715.74
7.1.310.0130.00015.58
7.1.300.0060.01215.68
7.1.290.0030.01415.57
7.1.280.0000.01415.69
7.1.270.0030.00615.68
7.1.260.0000.02115.58
7.1.250.0070.00915.54
7.1.240.0050.00915.67
7.1.230.0040.01115.76
7.1.220.0050.00915.67
7.1.210.0050.00915.42
7.1.200.0060.00815.79
7.1.190.0100.00415.64
7.1.180.0090.00415.66
7.1.170.0090.00315.46
7.1.160.0080.00415.66
7.1.150.0090.00415.53
7.1.140.0150.00215.64
7.1.130.0060.00715.48
7.1.120.0050.00715.51
7.1.110.0000.01215.62
7.1.100.0030.00816.55
7.1.90.0090.00615.70
7.1.80.0070.00315.55
7.1.70.0060.00616.22
7.1.60.0070.00816.06
7.1.50.0070.00915.95
7.1.40.0000.00915.61
7.1.30.0020.01215.56
7.1.20.0050.00715.63
7.1.10.0100.00515.73
7.1.00.0030.03317.85
7.0.330.0040.00715.32
7.0.320.0060.00715.44
7.0.310.0020.00915.22
7.0.300.0070.01015.19
7.0.290.0050.00515.05
7.0.280.0080.00515.10
7.0.270.0050.00615.03
7.0.260.0050.00415.30
7.0.250.0060.00715.31
7.0.240.0080.00815.30
7.0.230.0080.00615.26
7.0.220.0050.00515.12
7.0.210.0040.00915.10
7.0.200.0020.01015.77
7.0.190.0030.00815.31
7.0.180.0050.00915.29
7.0.170.0050.00915.35
7.0.160.0030.00715.44
7.0.150.0050.00715.18
7.0.140.0070.02817.56
7.0.130.0060.00715.26
7.0.120.0050.01015.38
7.0.110.0070.00715.24
7.0.100.0060.00515.33
7.0.90.0080.00715.14
7.0.80.0080.00715.47
7.0.70.0090.00315.39
7.0.60.0060.03016.92
7.0.50.0060.03216.14
7.0.40.0050.02315.79
7.0.30.0170.02415.58
7.0.20.0130.02315.68
7.0.10.0030.02215.74
7.0.00.0060.02415.58
5.6.400.0030.01013.96
5.6.390.0000.01213.83
5.6.380.0080.00514.12
5.6.370.0040.01114.16
5.6.360.0000.01414.15
5.6.350.0000.01413.97
5.6.340.0050.00714.25
5.6.330.0060.00414.33
5.6.320.0080.00613.91
5.6.310.0040.00914.38
5.6.300.0060.00514.35
5.6.290.0070.00714.09
5.6.280.0020.03116.40
5.6.270.0020.01114.00
5.6.260.0070.00614.13
5.6.250.0080.00314.42
5.6.240.0030.01214.06
5.6.230.0090.00513.96
5.6.220.0110.00414.12
5.6.210.0060.03516.33
5.6.200.0090.03015.45
5.6.190.0030.02916.32
5.6.180.0070.02216.29
5.6.170.0150.02916.30
5.6.160.0050.02116.23
5.6.150.0090.02015.52
5.6.140.0030.03015.50
5.6.130.0070.02815.43
5.6.120.0100.03116.31
5.6.110.0030.01916.48
5.6.100.0080.02916.60
5.6.90.0060.03416.50
5.6.80.0070.01616.17
5.6.70.0070.03216.21
5.6.60.0060.00814.07
5.6.50.0080.00514.15
5.6.40.0030.01014.08
5.6.30.0080.00614.27
5.6.20.0000.01113.95
5.6.10.0040.00914.00
5.6.00.0070.00714.12
5.5.380.0040.00512.73
5.5.370.0040.00812.74
5.5.360.0070.00412.75
5.5.350.0130.02915.12
5.5.340.0020.02214.57
5.5.330.0080.01515.26
5.5.320.0130.02015.26
5.5.310.0110.03215.24
5.5.300.0020.03514.36
5.5.290.0070.02914.52
5.5.280.0070.01615.46
5.5.270.0030.02315.47
5.5.260.0060.01615.54
5.5.250.0020.02215.38
5.5.240.0140.02815.15
5.5.230.0060.00412.68
5.5.220.0070.00512.58
5.5.210.0110.00212.74
5.5.200.0070.00512.78
5.5.190.0060.00712.72
5.5.180.0050.00712.72
5.5.170.0010.00612.64
5.5.160.0040.00912.64
5.5.150.0030.00512.59
5.5.140.0070.00512.70
5.5.130.0080.00312.65
5.5.120.0030.00712.60
5.5.110.0030.00912.62
5.5.100.0020.01012.63
5.5.90.0020.01012.50
5.5.80.0030.01112.64
5.5.70.0050.00312.68
5.5.60.0050.00512.56
5.5.50.0040.00912.71
5.5.40.0050.00812.57
5.5.30.0030.00912.77
5.5.20.0060.00612.81
5.5.10.0080.00312.62
5.5.00.0070.00512.62
5.4.450.0190.02613.92
5.4.440.0240.02513.89
5.4.430.0220.02313.77
5.4.420.0270.00113.94
5.4.410.0250.00213.73
5.4.400.0230.00613.86
5.4.390.0230.00313.72
5.4.380.0240.00513.81
5.4.370.0250.00313.77
5.4.360.0240.00313.64
5.4.350.0270.00313.80
5.4.340.0070.01311.34
5.4.330.0060.00411.01
5.4.320.0040.01611.46
5.4.310.0050.01911.51
5.4.300.0070.01511.54
5.4.290.0050.01611.57
5.4.280.0050.01611.50
5.4.270.0040.01611.49
5.4.260.0030.02011.50
5.4.250.0030.02011.57
5.4.240.0040.02011.54
5.4.230.0030.01911.44
5.4.220.0030.01911.44
5.4.210.0040.01611.52
5.4.200.0010.02111.45
5.4.190.0070.01311.48
5.4.180.0050.01511.54
5.4.170.0070.01411.44
5.4.160.0040.01611.60
5.4.150.0060.01711.52
5.4.140.0030.01811.38
5.4.130.0040.01711.37
5.4.120.0050.01811.24
5.4.110.0030.01911.33
5.4.100.0040.01611.35
5.4.90.0040.01811.38
5.4.80.0070.01611.34
5.4.70.0040.01711.37
5.4.60.0060.01611.37
5.4.50.0050.01611.26
5.4.40.0030.01811.34
5.4.30.0030.01911.40
5.4.20.0030.01811.37
5.4.10.0040.01611.38
5.4.00.0090.01611.21
5.3.290.0060.02711.99
5.3.280.0070.02411.94
5.3.270.0070.02611.95
5.3.260.0060.02711.95
5.3.250.0040.02411.95
5.3.240.0040.02911.95
5.3.230.0060.02811.94
5.3.220.0090.01911.93
5.3.210.0090.02011.93
5.3.200.0040.02311.93
5.3.190.0040.02411.93
5.3.180.0040.02211.92
5.3.170.0050.02211.92
5.3.160.0070.02111.93
5.3.150.0090.01911.93
5.3.140.0090.02111.92
5.3.130.0070.02811.92
5.3.120.0040.03611.92
5.3.110.0080.02511.92
5.3.100.0110.02511.65
5.3.90.0070.02811.63
5.3.80.0050.03311.63
5.3.70.0060.02211.63
5.3.60.0050.02311.62
5.3.50.0040.02411.59
5.3.40.0090.02111.59
5.3.30.0060.01911.56
5.3.20.0080.01711.45
5.3.10.0070.02011.43
5.3.00.0060.02111.43
5.2.170.0060.01710.18
5.2.160.0050.01710.18
5.2.150.0050.01710.18
5.2.140.0040.02010.18
5.2.130.0060.02210.15
5.2.120.0070.01710.16
5.2.110.0060.01910.16
5.2.100.0090.01410.16
5.2.90.0010.02110.16
5.2.80.0050.01710.16
5.2.70.0040.01810.15
5.2.60.0040.01810.13
5.2.50.0110.01916.99
5.2.40.0120.01816.88
5.2.30.0100.01917.03
5.2.20.0100.01917.00
5.2.10.0070.02116.91
5.2.00.0090.01616.78
5.1.60.0110.01416.06
5.1.50.0070.01815.99
5.1.40.0130.01616.06
5.1.30.0110.01716.40
5.1.20.0100.02016.36
5.1.10.0100.02216.13
5.1.00.0150.01716.10
5.0.50.0030.0118.89
5.0.40.0030.0138.82
5.0.30.0020.0198.73
5.0.20.0010.0158.71
5.0.10.0040.0128.71
5.0.00.0040.0188.70
4.4.90.0020.0117.98
4.4.80.0040.0097.96
4.4.70.0040.0107.97
4.4.60.0020.0107.97
4.4.50.0020.0107.97
4.4.40.0040.0127.94
4.4.30.0010.0117.97
4.4.20.0030.0098.01
4.4.10.0020.0138.01
4.4.00.0020.0157.96
4.3.110.0010.0117.92
4.3.100.0030.0117.92
4.3.90.0020.0107.90
4.3.80.0020.0157.88
4.3.70.0020.0107.90
4.3.60.0010.0117.90
4.3.50.0050.0097.90
4.3.40.0040.0147.86
4.3.30.0020.0117.23
4.3.20.0010.0117.21
4.3.10.0050.0097.19
4.3.00.0020.0158.88

preferences:
49.66 ms | 401 KiB | 5 Q