3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( "1" => "A", "3" => "B", ); echo count($a); // returns 2 var_dump( $a );

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)
8.3.40.0110.00418.57
8.3.30.0150.00018.95
8.3.20.0040.00420.12
8.3.10.0060.00323.53
8.3.00.0090.00018.87
8.2.170.0070.00722.96
8.2.160.0110.00422.12
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00421.06
8.2.110.0090.00019.45
8.2.100.0060.00617.78
8.2.90.0000.00819.21
8.2.80.0060.00317.97
8.2.70.0030.00517.63
8.2.60.0000.00818.04
8.2.50.0000.00818.10
8.2.40.0040.00418.22
8.2.30.0040.00418.05
8.2.20.0000.00717.54
8.2.10.0040.00417.90
8.2.00.0050.00317.63
8.1.270.0060.00318.72
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0070.00322.14
8.1.230.0110.00017.64
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.36
8.1.190.0060.00317.23
8.1.180.0000.00818.10
8.1.170.0050.00318.42
8.1.160.0040.00422.05
8.1.150.0070.00018.91
8.1.140.0050.00317.44
8.1.130.0030.00317.67
8.1.120.0030.00317.45
8.1.110.0040.00417.33
8.1.100.0030.00317.32
8.1.90.0000.00717.46
8.1.80.0040.00417.48
8.1.70.0000.00717.34
8.1.60.0030.00617.54
8.1.50.0060.00317.46
8.1.40.0000.00717.38
8.1.30.0050.00317.63
8.1.20.0040.00417.65
8.1.10.0000.00717.39
8.1.00.0080.00017.31
8.0.300.0070.00018.77
8.0.290.0080.00016.63
8.0.280.0070.00018.42
8.0.270.0000.00717.29
8.0.260.0030.00317.24
8.0.250.0070.00016.83
8.0.240.0030.00516.83
8.0.230.0040.00416.78
8.0.220.0000.00716.71
8.0.210.0030.00316.77
8.0.200.0000.00716.79
8.0.190.0000.00716.78
8.0.180.0030.00616.74
8.0.170.0040.00416.90
8.0.160.0050.00316.88
8.0.150.0000.00716.81
8.0.140.0000.00816.84
8.0.130.0000.00613.27
8.0.120.0040.00416.80
8.0.110.0030.00616.79
8.0.100.0040.00416.80
8.0.90.0030.00316.86
8.0.80.0060.01016.88
8.0.70.0040.00416.82
8.0.60.0040.00416.83
8.0.50.0080.00016.76
8.0.30.0090.01417.07
8.0.20.0140.00817.40
8.0.10.0040.00417.11
8.0.00.0080.01216.75
7.4.330.0000.00415.18
7.4.320.0060.00016.57
7.4.300.0030.00316.57
7.4.290.0090.00016.57
7.4.280.0040.00416.56
7.4.270.0070.00016.40
7.4.260.0030.00316.52
7.4.250.0050.00516.43
7.4.240.0020.00516.48
7.4.230.0070.00016.49
7.4.220.0090.00916.49
7.4.210.0070.00716.60
7.4.200.0030.00616.61
7.4.160.0000.01616.54
7.4.150.0060.01217.40
7.4.140.0140.00717.86
7.4.130.0090.00716.41
7.4.120.0050.01216.54
7.4.110.0090.00916.53
7.4.100.0130.00616.46
7.4.90.0130.01016.57
7.4.80.0070.01419.39
7.4.70.0130.01016.30
7.4.60.0070.01016.41
7.4.50.0000.00516.51
7.4.40.0040.01216.61
7.4.30.0120.00616.42
7.4.00.0060.00914.92
7.3.330.0020.00212.92
7.3.320.0040.00413.17
7.3.310.0000.00716.11
7.3.300.0030.00316.08
7.3.290.0060.00916.15
7.3.280.0100.00916.17
7.3.270.0110.00917.40
7.3.260.0150.00616.43
7.3.250.0060.01116.36
7.3.240.0100.00716.50
7.3.230.0160.00016.40
7.3.210.0140.00616.47
7.3.200.0030.01419.39
7.3.190.0130.00316.32
7.3.180.0100.01016.34
7.3.170.0130.00916.27
7.3.160.0090.01216.54
7.3.00.0090.00616.45
7.2.330.0130.00616.65
7.2.320.0130.00316.30
7.2.310.0070.01116.52
7.2.300.0090.00816.44
7.2.290.0070.01016.55
7.2.130.0030.00616.91
7.2.120.0030.01016.89
7.2.110.0000.01216.79
7.2.100.0000.01416.65
7.2.90.0100.00316.98
7.2.80.0060.00617.08
7.2.70.0070.01017.03
7.2.60.0040.00816.99
7.2.50.0070.00716.80
7.2.40.0080.00816.90
7.2.30.0030.01016.90
7.2.20.0040.00716.79
7.2.10.0140.00016.86
7.2.00.0020.01118.20
7.1.250.0100.00715.69
7.1.240.0060.01015.73
7.1.230.0060.00915.78
7.1.220.0000.01115.80
7.1.210.0080.00015.78
7.1.200.0020.01115.66
7.1.190.0130.00015.66
7.1.180.0080.00415.67
7.1.170.0040.00715.41
7.1.160.0080.00415.70
7.1.150.0070.00715.82
7.1.140.0030.01015.79
7.1.130.0030.01015.56
7.1.120.0070.00315.83
7.1.110.0060.00915.83
7.1.100.0040.00917.04
7.1.90.0000.00815.87
7.1.80.0040.00415.58
7.1.70.0040.01116.55
7.1.60.0090.00917.51
7.1.50.0080.00816.26
7.1.40.0030.00815.65
7.1.30.0070.01115.79
7.1.20.0060.00315.61
7.1.10.0070.00315.83
7.1.00.0050.04219.09
7.0.330.0040.00715.21
7.0.320.0080.00415.16
7.0.310.0070.00715.42
7.0.300.0080.00415.58
7.0.290.0040.00815.35
7.0.280.0040.01215.31
7.0.270.0000.01215.09
7.0.260.0080.00415.31
7.0.250.0100.00315.51
7.0.240.0070.00715.34
7.0.230.0030.01315.35
7.0.220.0130.00315.35
7.0.210.0040.00715.58
7.0.200.0040.00616.01
7.0.190.0040.00715.41
7.0.180.0090.00415.51
7.0.170.0100.00315.54
7.0.160.0070.00715.23
7.0.150.0060.00815.22
7.0.140.0040.02018.56
7.0.130.0030.00614.94
7.0.120.0060.00615.47
7.0.110.0120.00015.18
7.0.100.0070.00715.23
7.0.90.0040.00715.39
7.0.80.0000.00915.03
7.0.70.0070.00315.29
7.0.60.0050.03517.65
7.0.50.0120.04016.63
7.0.40.0020.03616.76
7.0.30.0200.03816.79
7.0.20.0230.03816.70
7.0.10.0210.04116.72
7.0.00.0090.04416.68
5.6.380.0030.00914.14
5.6.370.0060.00614.59
5.6.360.0040.00814.61
5.6.350.0070.00714.24
5.6.340.0030.01014.49
5.6.330.0030.00713.89
5.6.320.0080.00413.95
5.6.310.0050.00514.45
5.6.300.0090.00014.40
5.6.290.0040.00714.43
5.6.280.0050.04017.70
5.6.270.0040.01114.46
5.6.260.0090.00314.04
5.6.250.0040.01114.33
5.6.240.0070.00714.55
5.6.230.0040.00714.24
5.6.220.0000.00814.28
5.6.210.0080.04017.53
5.6.200.0070.03416.15
5.6.190.0060.02517.38
5.6.180.1850.02317.33
5.6.170.0230.03317.35
5.6.160.0080.02317.49
5.6.150.0070.04216.19
5.6.140.0130.03816.18
5.6.130.0090.04116.20
5.6.120.0070.02917.73
5.6.110.0050.04517.70
5.6.100.0100.04217.72
5.6.90.0120.03817.56
5.6.80.0030.03017.18
5.6.70.0180.03717.28
5.6.60.0030.00914.45
5.6.50.0080.00414.07
5.6.40.0040.00814.16
5.6.30.0040.00813.86
5.6.20.0030.01014.29
5.6.10.0090.00614.18
5.6.00.0110.00314.19
5.5.380.0070.00011.18
5.5.370.0030.00711.18
5.5.360.0060.00311.18
5.5.350.0150.04215.78
5.5.340.0070.02314.61
5.5.330.0050.03515.79
5.5.320.0130.03015.69
5.5.310.0200.03615.69
5.5.300.0020.03614.60
5.5.290.0020.03914.55
5.5.280.0030.03116.07
5.5.270.0070.03516.00
5.5.260.0110.04116.06
5.5.250.0100.04015.93
5.5.240.2070.02315.66
5.5.230.0030.00711.18
5.5.220.0060.00611.18
5.5.210.0000.00511.18
5.5.200.0000.01011.18
5.5.190.0040.00811.18
5.5.180.0030.00811.18
5.5.170.0090.00311.18
5.5.160.0060.00311.18
5.5.150.0070.00311.18
5.5.140.0000.01211.18
5.5.130.0000.00711.18
5.5.120.0000.00811.18
5.5.110.0070.00311.20
5.5.100.0040.00411.18
5.5.90.0080.00011.18
5.5.80.0090.00011.18
5.5.70.0080.00011.18
5.5.60.0000.00811.18
5.5.50.0000.01011.18
5.5.40.0040.00411.18
5.5.30.0030.00611.18
5.5.20.0060.00611.18
5.5.10.0070.00311.18
5.5.00.0080.00311.18
5.4.450.0400.03215.38
5.4.440.0370.02915.25
5.4.430.0160.03115.20
5.4.420.0230.02515.36
5.4.410.0430.02815.20
5.4.400.0370.02315.05
5.4.390.0150.02714.88
5.4.380.0180.02714.94
5.4.370.0220.02214.94
5.4.360.0120.03014.94
5.4.350.0170.02814.95
5.4.340.0200.02514.89
5.4.330.0060.00011.18
5.4.320.0170.03315.00
5.4.310.0130.02814.93
5.4.300.0130.03314.92
5.4.290.0210.02514.94
5.4.280.0180.02714.81
5.4.270.0200.02314.92
5.4.260.0130.03014.91
5.4.250.0240.02414.96
5.4.240.0120.03314.92
5.4.230.0150.02814.88
5.4.220.0140.03214.88
5.4.210.0130.03014.87
5.4.200.0200.03413.90
5.4.190.0180.02714.85
5.4.180.0210.02514.89
5.4.170.0130.03014.94
5.4.160.0150.03714.83
5.4.150.0220.02514.93
5.4.140.0200.02313.77
5.4.130.0180.02813.67
5.4.120.0150.02913.61
5.4.110.0150.02713.71
5.4.100.0190.02813.69
5.4.90.0200.02613.68
5.4.80.0130.02813.62
5.4.70.0210.02113.72
5.4.60.0180.02613.74
5.4.50.0150.02813.72
5.4.40.0150.03013.64
5.4.30.0250.01813.68
5.4.20.0150.02713.74
5.4.10.0120.03313.71
5.4.00.0200.03013.35
5.3.290.0220.02512.90
5.3.280.0200.02512.84
5.3.270.0150.03312.88
5.3.260.0220.02712.86
5.3.250.0190.03112.91
5.3.240.0180.02812.93
5.3.230.0170.02412.92
5.3.220.0230.02012.86
5.3.210.0120.03312.81
5.3.200.0210.02312.84
5.3.190.0170.04012.82
5.3.180.0170.03912.89
5.3.170.0180.03312.88
5.3.160.0130.03112.91
5.3.150.0280.03112.87
5.3.140.0200.03312.84
5.3.130.0170.03112.85
5.3.120.0200.02712.85
5.3.110.0170.03112.90
5.3.100.0200.03012.64
5.3.90.0170.03012.61
5.3.80.0170.02712.59
5.3.70.0160.02812.58
5.3.60.0130.03112.60
5.3.50.0170.02812.55
5.3.40.0180.03312.54
5.3.30.0210.03312.50
5.3.20.0130.03212.42
5.3.10.0130.02812.41
5.3.00.0130.02812.36
5.2.170.0120.02611.23
5.2.160.0140.02211.15
5.2.150.0120.02311.15
5.2.140.0130.02911.16
5.2.130.0080.02611.12
5.2.120.0120.02111.21
5.2.110.0150.02111.18
5.2.100.0150.03111.13
5.2.90.0110.02311.16
5.2.80.0150.02411.17
5.2.70.0120.02311.15
5.2.60.0100.02611.07
5.2.50.0100.02511.10
5.2.40.0080.02311.06
5.2.30.0170.02311.04
5.2.20.0060.02611.02
5.2.10.0100.02511.05
5.2.00.0120.02611.05
5.1.60.0070.02210.60
5.1.50.0100.01910.64
5.1.40.0060.02310.63
5.1.30.0110.02010.77
5.1.20.0120.02510.80
5.1.10.0130.02210.63
5.1.00.0150.01710.67
5.0.50.0100.0139.91
5.0.40.0050.0169.89
5.0.30.0090.0219.73
5.0.20.0050.0169.72
5.0.10.0060.0189.68
5.0.00.0090.0199.68
4.4.90.0080.0128.97
4.4.80.0030.0148.97
4.4.70.0080.0088.97
4.4.60.0050.0128.97
4.4.50.0110.0108.97
4.4.40.0030.0238.97
4.4.30.0060.0118.97
4.4.20.0060.0138.97
4.4.10.0030.0148.97
4.4.00.0050.0228.97
4.3.110.0120.0088.97
4.3.100.0030.0158.97
4.3.90.0060.0118.97
4.3.80.0070.0188.97
4.3.70.0070.0128.97
4.3.60.0070.0128.97
4.3.50.0050.0158.97
4.3.40.0060.0178.97
4.3.30.0010.0138.97
4.3.20.0020.0158.97
4.3.10.0020.0168.97
4.3.00.0100.0179.14

preferences:
42.09 ms | 400 KiB | 5 Q