3v4l.org

run code in 300+ PHP versions simultaneously
<?php $assoc = array( "a" => 1, "b" => 0, 0 => 0 ); function is_assoc($array){ $test_array = ksort($array); return !ctype_digit( implode('', array_keys($test_array)) ); } echo is_assoc($assoc); ?>

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)
8.3.70.0070.00716.75
8.3.60.0110.00716.71
8.3.50.0080.00721.27
8.3.40.0150.00018.90
8.3.30.0110.00619.22
8.3.20.0070.00020.04
8.3.10.0080.00022.03
8.3.00.0050.00222.48
8.2.180.0120.00316.88
8.2.170.0070.00722.96
8.2.160.0130.00618.94
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0090.00019.56
8.2.110.0000.01022.08
8.2.100.0000.01117.84
8.2.90.0040.00417.84
8.2.80.0030.00617.97
8.2.70.0030.00517.63
8.2.60.0090.00018.04
8.2.50.0030.00618.07
8.2.40.0040.00417.97
8.2.30.0000.00818.09
8.2.20.0040.00417.61
8.2.10.0040.00417.70
8.2.00.0030.00617.65
8.1.280.0070.01025.92
8.1.270.0030.00618.53
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.49
8.1.230.0080.00320.82
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0070.00317.35
8.1.190.0040.00417.53
8.1.180.0000.00818.56
8.1.170.0080.00018.57
8.1.160.0040.00422.21
8.1.150.0000.00718.59
8.1.140.0000.00817.29
8.1.130.0030.00317.82
8.1.120.0040.00417.40
8.1.110.0080.00017.26
8.1.100.0000.00717.27
8.1.90.0040.00417.31
8.1.80.0000.00717.39
8.1.70.0000.00717.35
8.1.60.0070.00017.57
8.1.50.0070.00017.46
8.1.40.0030.00617.55
8.1.30.0000.00717.56
8.1.20.0050.00317.52
8.1.10.0000.00817.60
8.1.00.0000.00817.52
8.0.300.0040.00419.91
8.0.290.0080.00016.63
8.0.280.0000.00718.30
8.0.270.0080.00017.11
8.0.260.0040.00416.72
8.0.250.0070.00016.87
8.0.240.0000.00816.95
8.0.230.0000.00716.86
8.0.220.0060.00016.91
8.0.210.0000.00716.89
8.0.200.0030.00316.87
8.0.190.0000.01016.93
8.0.180.0030.00616.80
8.0.170.0040.00416.95
8.0.160.0050.00216.88
8.0.150.0000.00716.73
8.0.140.0040.00416.87
8.0.130.0000.00513.28
8.0.120.0000.00816.89
8.0.110.0050.00316.72
8.0.100.0040.00416.92
8.0.90.0050.00316.89
8.0.80.0050.01016.82
8.0.70.0040.00416.79
8.0.60.0030.00516.94
8.0.50.0000.00716.96
8.0.30.0080.01117.02
8.0.20.0110.00717.40
8.0.10.0000.00716.88
8.0.00.0090.00916.81
7.4.330.0020.00215.00
7.4.320.0060.00016.65
7.4.300.0030.00316.52
7.4.290.0050.00416.64
7.4.280.0000.00816.60
7.4.270.0000.00716.49
7.4.260.0070.00016.35
7.4.250.0030.00516.59
7.4.240.0040.00316.55
7.4.230.0000.00716.39
7.4.220.0090.00916.50
7.4.210.0090.00916.65
7.4.200.0050.00216.62
7.4.190.0070.00016.70
7.4.160.0030.01316.39
7.4.150.0190.00617.40
7.4.140.0080.00917.86
7.4.130.0060.01116.52
7.4.120.0100.00816.56
7.4.110.0100.00716.56
7.4.100.0090.01316.45
7.4.90.0070.01016.47
7.4.80.0030.01419.39
7.4.70.0070.01016.39
7.4.60.0100.00716.51
7.4.50.0040.00416.59
7.4.40.0130.00322.77
7.4.30.0120.00916.70
7.4.00.0080.00814.78
7.3.330.0050.00013.06
7.3.320.0000.00613.17
7.3.310.0000.00716.41
7.3.300.0000.00716.17
7.3.290.0140.00016.22
7.3.280.0070.00816.29
7.3.270.0100.00617.40
7.3.260.0070.01016.40
7.3.250.0080.00916.32
7.3.240.0120.01016.44
7.3.230.0070.01016.66
7.3.210.0110.00616.39
7.3.200.0090.00519.39
7.3.190.0040.01816.46
7.3.180.0040.01716.48
7.3.170.0110.00616.58
7.3.160.0120.00416.50
7.3.120.0100.00714.74
7.3.110.0120.00614.59
7.3.100.0060.00914.59
7.3.90.0070.00714.87
7.3.80.0000.01415.10
7.3.70.0030.01014.81
7.3.60.0000.00914.80
7.3.50.0040.00814.80
7.3.40.0070.00714.77
7.3.30.0070.00714.52
7.3.20.0060.00916.68
7.3.10.0070.00716.38
7.3.00.0130.00216.35
7.2.330.0040.01416.39
7.2.320.0140.00316.71
7.2.310.0100.01316.59
7.2.300.0160.00616.27
7.2.290.0090.00616.75
7.2.250.0100.00614.99
7.2.240.0110.00815.06
7.2.230.0030.01214.57
7.2.220.0070.00714.82
7.2.210.0100.00314.95
7.2.200.0040.00814.96
7.2.190.0070.00715.00
7.2.180.0130.00014.76
7.2.170.0000.01215.11
7.2.130.0130.00316.92
7.2.120.0130.00916.88
7.2.110.0110.01116.52
7.2.100.0100.01016.91
7.2.90.0140.00016.88
7.2.80.0060.01016.53
7.2.70.0170.00416.96
7.2.60.0090.01016.86
7.2.50.0160.01116.70
7.2.40.0170.00717.08
7.2.30.0090.00916.58
7.2.20.0070.01616.87
7.2.10.0120.01216.97
7.2.00.0070.00718.21
7.1.330.0090.00615.82
7.1.320.0080.00415.64
7.1.310.0030.01015.51
7.1.300.0030.01015.93
7.1.290.0060.00615.68
7.1.280.0030.00915.86
7.1.270.0030.01015.70
7.1.260.0080.00415.59
7.1.250.0090.00615.71
7.1.240.0100.01015.67
7.1.230.0130.00615.61
7.1.220.0090.00915.80
7.1.210.0070.01015.36
7.1.200.0080.00615.70
7.1.190.0130.00315.61
7.1.180.0170.00915.73
7.1.170.0090.01415.50
7.1.160.0180.00015.82
7.1.150.0060.01015.70
7.1.140.0160.00415.75
7.1.130.0100.01015.65
7.1.120.0180.01115.77
7.1.110.0110.00415.50
7.1.100.0090.00616.75
7.1.90.0140.00315.46
7.1.80.0070.00715.76
7.1.70.0080.00416.37
7.1.60.0140.00717.70
7.1.50.0110.01016.38
7.1.40.0140.00715.43
7.1.30.0110.01115.79
7.1.20.0090.01615.42
7.1.10.0120.01215.39
7.1.00.0070.02419.06
7.0.330.0150.01015.21
7.0.320.0190.00415.19
7.0.310.0130.00515.17
7.0.300.0140.00814.90
7.0.290.0210.00315.46
7.0.280.0090.01215.45
7.0.270.0130.00615.38
7.0.260.0080.00414.96
7.0.250.0090.00615.35
7.0.240.0190.00315.04
7.0.230.0090.00915.36
7.0.220.0130.00315.19
7.0.210.0030.01015.20
7.0.200.0080.00515.98
7.0.190.0150.00615.16
7.0.180.0090.01415.20
7.0.170.0120.01215.40
7.0.160.0200.01015.38
7.0.150.0240.00715.55
7.0.140.0050.04218.54
7.0.130.0140.01115.07
7.0.120.0100.01315.51
7.0.110.0100.00715.14
7.0.100.0070.00715.36
7.0.90.0070.01115.28
7.0.80.0150.02517.62
7.0.70.0350.04517.65
7.0.60.0220.04417.58
7.0.50.0380.03317.88
7.0.40.0080.04316.62
7.0.30.0050.02916.81
7.0.20.0080.04716.63
7.0.10.0080.03516.74
7.0.00.0010.02916.71
5.6.380.0090.00314.28
5.6.370.0080.00614.45
5.6.360.0100.01014.14
5.6.350.0070.00714.40
5.6.340.0120.00414.50
5.6.330.0080.00814.43
5.6.320.0090.00914.06
5.6.310.0040.01113.98
5.6.300.0110.00813.80
5.6.290.0130.00614.55
5.6.280.0160.03517.87
5.6.270.0140.00614.35
5.6.260.0070.00714.02
5.6.250.0120.00414.55
5.6.240.0040.01114.30
5.6.230.0110.03517.40
5.6.220.0080.04517.40
5.6.210.0100.04117.42
5.6.200.0070.04017.65
5.6.190.0070.03317.75
5.6.180.0080.03617.54
5.6.170.0140.03517.62
5.6.160.0100.04017.72
5.6.150.0020.04617.79
5.6.140.0090.03217.46
5.6.130.0110.03817.67
5.6.120.0050.02417.58
5.6.110.0060.02117.55
5.6.100.0110.03617.75
5.6.90.0090.02217.55
5.6.80.0080.04017.29
5.6.70.0050.03917.40
5.6.60.0070.02917.39
5.6.50.0020.04917.31
5.6.40.0030.04817.32
5.6.30.0030.02917.30
5.6.20.0060.04517.28
5.6.10.0050.03617.36
5.6.00.0070.04317.19
5.5.380.0030.00611.18
5.5.370.0080.04115.77
5.5.360.0080.03215.79
5.5.350.0030.04915.77
5.5.340.0070.04216.03
5.5.330.0020.03015.99
5.5.320.0060.02015.99
5.5.310.0070.02816.00
5.5.300.0030.02716.06
5.5.290.0020.04216.07
5.5.280.0050.02716.02
5.5.270.0050.04316.07
5.5.260.0090.04215.98
5.5.250.0080.03915.91
5.5.240.0050.04015.72
5.5.230.0040.04415.66
5.5.220.0030.02315.69
5.5.210.0050.03315.69
5.5.200.0100.04115.68
5.5.190.0050.02215.67
5.5.180.0080.03815.70
5.5.170.0050.00311.18
5.5.160.0030.04815.59
5.5.150.0030.04115.70
5.5.140.0100.02715.58
5.5.130.0050.02815.74
5.5.120.0050.03315.69
5.5.110.0070.03615.70
5.5.100.0030.04315.56
5.5.90.0050.04615.66
5.5.80.0080.04015.66
5.5.70.0020.02515.62
5.5.60.0030.02115.67
5.5.50.0030.04215.59
5.5.40.0000.04515.63
5.5.30.0020.02115.61
5.5.20.0040.04415.66
5.5.10.0020.02715.63
5.5.00.0020.02015.57
5.4.450.0040.02315.27
5.4.440.0050.02215.18
5.4.430.0050.02315.26
5.4.420.0070.02215.36
5.4.410.0000.04215.10
5.4.400.0040.04515.11
5.4.390.0070.03915.20
5.4.380.0030.04515.24
5.4.370.0050.03715.10
5.4.360.0050.04315.15
5.4.350.0060.02815.04
5.4.340.0080.02015.13
5.4.330.0040.00411.18
5.4.320.0050.04515.16
5.4.310.0050.02515.14
5.4.300.0030.02115.16
5.4.290.0030.03815.10
5.4.280.0030.03815.11
5.4.270.0030.03515.15
5.4.260.0030.03715.07
5.4.250.0030.03415.19
5.4.240.0030.03915.15
5.4.230.0000.02315.04
5.4.220.0050.02515.25
5.4.210.0050.02715.15
5.4.200.0050.01815.13
5.4.190.0040.03515.18
5.4.180.0030.03715.01
5.4.170.0020.04015.16
5.4.160.0050.01715.02
5.4.150.0030.04315.18
5.4.140.0040.04213.76
5.4.130.0060.03613.74
5.4.120.0050.02513.79
5.4.110.0030.02813.77
5.4.100.0050.04213.84
5.4.90.0010.04313.80
5.4.80.0010.02813.79
5.4.70.0070.03813.75
5.4.60.0060.02613.79
5.4.50.0040.03613.73
5.4.40.0050.02213.79
5.4.30.0120.03013.75
5.4.20.0020.02013.74
5.4.10.0030.03813.81
5.4.00.0100.03713.52
5.3.290.0070.04212.98
5.3.280.0000.02412.86
5.3.270.0020.03512.96
5.3.260.0060.03812.91
5.3.250.0020.01912.95
5.3.240.0090.02312.90
5.3.230.0110.03512.86
5.3.220.0060.04012.90
5.3.210.0070.03812.84
5.3.200.0050.02712.86
5.3.190.0080.04012.90
5.3.180.0020.03412.83
5.3.170.0050.04312.88
5.3.160.0070.02212.90
5.3.150.0120.03112.89
5.3.140.0020.03912.89
5.3.130.0050.02012.84
5.3.120.0050.02912.87
5.3.110.0100.04012.84
5.3.100.0050.03812.60
5.3.90.0110.03012.67
5.3.80.0130.03412.64
5.3.70.0080.03912.63
5.3.60.0110.03212.55
5.3.50.0060.02212.63
5.3.40.0040.03112.60
5.3.30.0070.03012.49
5.3.20.0000.02412.48
5.3.10.0000.02612.47
5.3.00.0000.02512.36
5.2.170.0050.02312.21
5.2.160.0070.02512.21
5.2.150.0080.03312.21
5.2.140.0070.02212.21
5.2.130.0070.03012.21
5.2.120.0060.02912.21
5.2.110.0050.02912.21
5.2.100.0120.01212.21
5.2.90.0030.03512.21
5.2.80.0040.02912.21
5.2.70.0070.02012.21
5.2.60.0030.03112.21
5.2.50.0080.03012.21
5.2.40.0100.01312.21
5.2.30.0060.02812.21
5.2.20.0020.03712.21
5.2.10.0030.03612.21
5.2.00.0040.01512.21
5.1.60.0050.01212.21
5.1.50.0050.01512.21
5.1.40.0090.01212.21
5.1.30.0000.03212.21
5.1.20.0020.02712.21
5.1.10.0000.03112.21
5.1.00.0030.02112.21
5.0.50.0040.01512.21
5.0.40.0020.01012.21
5.0.30.0020.01712.21
5.0.20.0030.01512.21
5.0.10.0030.02312.21
5.0.00.0020.03212.21
4.4.90.0020.01212.21
4.4.80.0020.01712.21
4.4.70.0030.01612.21
4.4.60.0040.00912.21
4.4.50.0030.00812.21
4.4.40.0020.02212.21
4.4.30.0020.01712.21
4.4.20.0040.01112.21
4.4.10.0020.01212.21
4.4.00.0020.01912.21
4.3.110.0010.00812.21
4.3.100.0020.01612.21
4.3.90.0010.01112.21
4.3.80.0010.01512.21
4.3.70.0030.00712.21
4.3.60.0050.01512.21
4.3.50.0020.01712.21
4.3.40.0000.02812.21
4.3.30.0000.01112.21
4.3.20.0000.01112.21
4.3.10.0000.00912.21
4.3.00.0020.01012.21

preferences:
95.55 ms | 401 KiB | 5 Q