3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('k1' => null, 'k2'=>null); $result = ($a === null); var_dump($result || count($a) === 0); var_dump($notPopulated === null);

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)
8.3.40.0120.00418.84
8.3.30.0070.00719.07
8.3.20.0070.00020.19
8.3.10.0060.00321.62
8.3.00.0040.00417.68
8.2.170.0060.00922.96
8.2.160.0090.00620.86
8.2.150.0090.00024.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0110.00720.57
8.2.110.0090.00021.00
8.2.100.0000.01217.72
8.2.90.0080.00019.22
8.2.80.0090.00017.97
8.2.70.0000.00917.63
8.2.60.0040.00417.91
8.2.50.0050.00318.07
8.2.40.0050.00317.91
8.2.30.0040.00418.10
8.2.20.0020.00517.64
8.2.10.0020.00518.01
8.2.00.0000.00817.70
8.1.270.0040.00423.61
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0080.00022.11
8.1.230.0000.01119.00
8.1.220.0070.00317.77
8.1.210.0050.00318.77
8.1.200.0030.00617.38
8.1.190.0050.00217.39
8.1.180.0000.00818.71
8.1.170.0040.00418.59
8.1.160.0000.00721.95
8.1.150.0040.00418.74
8.1.140.0000.00817.42
8.1.130.0030.00317.68
8.1.120.0040.00417.47
8.1.110.0080.00017.36
8.1.100.0000.00717.29
8.1.90.0000.00717.34
8.1.80.0000.00817.46
8.1.70.0050.00317.41
8.1.60.0000.00917.50
8.1.50.0040.00417.51
8.1.40.0020.00517.52
8.1.30.0000.00817.54
8.1.20.0000.00817.56
8.1.10.0040.00417.49
8.1.00.0040.00417.45
8.0.300.0070.00018.77
8.0.290.0030.00616.75
8.0.280.0000.00718.49
8.0.270.0030.00317.16
8.0.260.0000.00817.24
8.0.250.0030.00316.92
8.0.240.0000.00717.01
8.0.230.0040.00416.88
8.0.220.0040.00417.02
8.0.210.0050.00216.95
8.0.200.0040.00417.02
8.0.190.0000.00816.97
8.0.180.0000.00716.96
8.0.170.0080.00016.99
8.0.160.0070.00016.98
8.0.150.0040.00416.83
8.0.140.0040.00816.96
8.0.130.0000.00513.36
8.0.120.0070.00016.88
8.0.110.0050.00216.84
8.0.100.0000.00716.72
8.0.90.0000.00716.91
8.0.80.0100.00617.00
8.0.70.0040.00416.87
8.0.60.0000.00716.81
8.0.50.0040.00417.00
8.0.30.0050.01417.24
8.0.20.0100.00817.40
8.0.10.0030.00616.84
8.0.00.0100.01116.80
7.4.330.0050.00015.15
7.4.320.0060.00016.56
7.4.300.0060.00016.63
7.4.290.0030.00316.57
7.4.280.0040.00416.48
7.4.270.0080.00016.40
7.4.260.0060.00316.46
7.4.250.0000.00816.44
7.4.240.0050.00216.49
7.4.230.0040.00416.61
7.4.220.0160.01016.45
7.4.210.0050.01016.56
7.4.200.0030.00316.23
7.4.160.0030.01316.53
7.4.150.0140.00317.40
7.4.140.0150.00517.86
7.4.130.0100.00716.58
7.4.120.0080.00916.63
7.4.110.0120.00916.41
7.4.100.0060.01216.43
7.4.90.0100.00716.50
7.4.80.0090.00919.39
7.4.70.0080.01116.51
7.4.60.0030.01416.45
7.4.50.0040.00416.44
7.4.40.0090.00616.45
7.4.30.0080.00816.58
7.4.00.0110.00515.03
7.3.330.0000.00613.18
7.3.320.0030.00313.22
7.3.310.0000.00716.37
7.3.300.0030.00316.21
7.3.290.0090.00616.29
7.3.280.0110.00816.40
7.3.270.0130.00317.40
7.3.260.0090.00916.48
7.3.250.0150.00716.44
7.3.240.0190.00416.64
7.3.230.0110.00616.50
7.3.210.0100.00616.32
7.3.200.0030.01319.39
7.3.190.0070.01116.23
7.3.180.0030.01316.30
7.3.170.0060.01016.32
7.3.160.0070.01016.48
7.3.120.0030.01414.78
7.3.110.0070.01014.94
7.3.100.0000.01415.02
7.3.90.0100.00614.97
7.3.80.0000.01514.88
7.3.70.0000.01514.81
7.3.60.0030.01014.60
7.3.50.0090.00014.87
7.3.40.0100.00314.52
7.3.30.0100.00314.68
7.3.20.0000.01316.32
7.3.10.0040.00716.52
7.3.00.0100.00316.53
7.2.330.0130.00516.62
7.2.320.0030.01316.77
7.2.310.0130.00416.68
7.2.300.0030.01316.50
7.2.290.0090.00916.42
7.2.250.0130.00615.16
7.2.240.0030.01314.97
7.2.230.0110.00314.93
7.2.220.0070.00715.20
7.2.210.0070.00714.68
7.2.200.0030.01015.04
7.2.190.0030.01215.11
7.2.180.0080.00415.06
7.2.170.0040.00414.81
7.2.160.0000.01514.96
7.2.150.0080.00316.75
7.2.140.0070.00716.89
7.2.130.0090.00616.77
7.2.120.0000.01316.98
7.2.110.0030.00916.82
7.2.100.0070.00716.96
7.2.90.0100.00316.70
7.2.80.0070.00717.00
7.2.70.0070.00716.75
7.2.60.0040.01116.88
7.2.50.0040.01116.73
7.2.40.0120.00017.05
7.2.30.0040.01116.97
7.2.20.0030.01016.90
7.2.10.0060.00616.83
7.2.00.0050.00818.06
7.1.330.0070.01015.91
7.1.320.0070.00715.88
7.1.310.0070.00715.79
7.1.300.0070.00715.53
7.1.290.0120.00015.87
7.1.280.0000.00915.83
7.1.270.0100.00315.45
7.1.260.0040.00815.84
7.1.250.0000.01515.59
7.1.240.0030.00915.64
7.1.230.0060.00615.40
7.1.220.0080.00315.73
7.1.210.0030.01215.70
7.1.200.0020.01315.62
7.1.190.0080.00415.67
7.1.180.0040.00715.73
7.1.170.0040.01115.62
7.1.160.0000.01315.93
7.1.150.0100.00315.80
7.1.140.0060.00615.49
7.1.130.0060.00615.87
7.1.120.0100.00315.98
7.1.110.0030.00615.73
7.1.100.0060.00716.83
7.1.90.0030.01215.68
7.1.80.0110.00315.83
7.1.70.0030.00716.20
7.1.60.0040.01117.52
7.1.50.0070.01316.33
7.1.40.0100.00715.54
7.1.30.0040.01415.80
7.1.20.0070.00715.89
7.1.10.0060.00615.74
7.1.00.0030.04419.15
7.0.330.0000.01515.51
7.0.320.0040.00815.43
7.0.310.0000.01315.33
7.0.300.0060.00615.25
7.0.290.0070.00715.43
7.0.280.0030.00615.20
7.0.270.0030.01015.21
7.0.260.0100.00315.13
7.0.250.0060.01115.29
7.0.240.0000.00915.43
7.0.230.0050.00815.36
7.0.220.0070.00315.42
7.0.210.0000.00815.32
7.0.200.0150.00415.13
7.0.190.0030.01015.38
7.0.180.0130.00015.21
7.0.170.0150.00015.38
7.0.160.0050.00515.49
7.0.150.0100.00315.46
7.0.140.0030.02018.78
7.0.130.0000.00815.25
7.0.120.0030.00815.50
7.0.110.0040.00415.43
7.0.100.0000.01015.40
7.0.90.0000.01215.33
7.0.80.0060.00615.40
7.0.70.0030.00715.34
7.0.60.0050.04517.72
7.0.50.0070.02216.54
7.0.40.0050.04916.71
7.0.30.0120.02716.83
7.0.20.0220.04116.90
7.0.10.0080.04516.69
7.0.00.0080.02616.82
5.6.400.0000.01314.05
5.6.390.0000.01114.11
5.6.380.0080.00313.96
5.6.370.0030.00914.03
5.6.360.0070.01014.18
5.6.350.0030.00614.63
5.6.340.0040.01114.19
5.6.330.0060.00314.40
5.6.320.0100.00714.45
5.6.310.0060.00914.10
5.6.300.0040.01113.98
5.6.290.0030.01314.34
5.6.280.0050.04017.71
5.6.270.0040.00414.25
5.6.260.0030.00714.32
5.6.250.0030.01014.36
5.6.240.0030.01014.38
5.6.230.0030.00814.13
5.6.220.0100.00314.23
5.6.210.0030.02517.50
5.6.200.0080.04216.29
5.6.190.0100.04517.47
5.6.180.0200.03117.46
5.6.170.0170.04317.29
5.6.160.0080.03817.33
5.6.150.0080.03916.12
5.6.140.0080.03916.08
5.6.130.0060.03616.27
5.6.120.0040.02617.60
5.6.110.0080.04717.63
5.6.100.0000.02917.68
5.6.90.0100.03017.71
5.6.80.0060.03917.36
5.6.70.0090.00614.07
5.6.60.0030.00914.37
5.6.50.0030.01014.11
5.6.40.0070.01014.26
5.6.30.0060.00813.80
5.6.20.0070.00714.06
5.6.10.0040.01114.08
5.6.00.0100.00313.97
5.5.380.0000.00914.03
5.5.370.0030.00914.13
5.5.360.0110.00314.11
5.5.350.0060.02217.24
5.5.340.0020.03716.16
5.5.330.0050.04717.04
5.5.320.0040.03017.14
5.5.310.0240.03717.16
5.5.300.0110.03316.00
5.5.290.0090.04315.90
5.5.280.0000.03117.39
5.5.270.0100.04517.49
5.5.260.0090.03917.30
5.5.250.0020.04917.43
5.5.240.0050.04317.04
5.5.230.0100.00013.78
5.5.220.0030.00713.99
5.5.210.0160.00014.43
5.5.200.0130.00314.45
5.5.190.0000.01514.02
5.5.180.0040.01213.90
5.5.170.0070.00713.87
5.5.160.0080.00614.11
5.5.150.0060.00313.92
5.5.140.0090.00613.93
5.5.130.0030.01314.27
5.5.120.0040.01114.27
5.5.110.0060.00914.15
5.5.100.0070.00714.39
5.5.90.0040.01213.72
5.5.80.0030.01214.05
5.5.70.0090.00613.93
5.5.60.0080.00014.20
5.5.50.0060.00314.03
5.5.40.0050.00513.86
5.5.30.0000.01314.02
5.5.20.0040.00813.88
5.5.10.0090.00314.43
5.5.00.0060.00914.23
5.4.450.0250.03515.08
5.4.440.0110.02815.20
5.4.430.0120.02815.12
5.4.420.0050.03215.02
5.4.410.0080.03215.04
5.4.400.0080.02814.91
5.4.390.0060.03314.97
5.4.380.0100.02814.76
5.4.370.0180.02414.56
5.4.360.0070.03214.88
5.4.350.0100.02212.19
5.4.340.0070.02312.19
5.4.330.0000.01110.77
5.4.320.0100.02212.51
5.4.310.0110.02012.57
5.4.300.0100.02112.42
5.4.290.0060.02512.53
5.4.280.0030.02612.28
5.4.270.0120.01812.43
5.4.260.0070.02312.45
5.4.250.0090.02412.37
5.4.240.0050.02512.44
5.4.230.0100.02312.44
5.4.220.0080.02312.55
5.4.210.0080.02312.32
5.4.200.0050.02112.50
5.4.190.0060.02112.40
5.4.180.0000.02712.63
5.4.170.0050.02612.44
5.4.160.0110.01812.39
5.4.150.0030.02312.36
5.4.140.0020.02512.31
5.4.130.0040.02412.27
5.4.120.0050.02012.32
5.4.110.0050.02012.16
5.4.100.0050.02812.44
5.4.90.0080.02612.28
5.4.80.0050.02312.16
5.4.70.0060.02512.29
5.4.60.0060.02312.22
5.4.50.0050.02012.38
5.4.40.0050.02512.43
5.4.30.0080.02012.30
5.4.20.0050.02412.23
5.4.10.0100.01812.25
5.4.00.0110.01812.13
5.3.290.0070.04714.54
5.3.280.0130.04014.55
5.3.270.0170.03314.39
5.3.260.0170.03714.58
5.3.250.0130.03714.61
5.3.240.0130.04014.57
5.3.230.0100.04314.55
5.3.220.0130.04014.40
5.3.210.0170.03314.46
5.3.200.0130.03714.40
5.3.190.0130.03714.42
5.3.180.0070.04014.39
5.3.170.0170.03714.42
5.3.160.0200.03714.36
5.3.150.0070.04314.39
5.3.140.0100.04014.34
5.3.130.0130.03714.56
5.3.120.0100.04314.42
5.3.110.0100.04314.41
5.3.100.0100.04014.02
5.3.90.0170.04013.99
5.3.80.0170.03313.80
5.3.70.0200.03314.03
5.3.60.0130.03713.86
5.3.50.0170.03713.77
5.3.40.0130.04013.80
5.3.30.0200.04313.77
5.3.20.0100.04313.61
5.3.10.0100.04013.47
5.3.00.0100.05013.48
5.2.170.0030.04711.05
5.2.160.0070.03710.93
5.2.150.0100.04011.14
5.2.140.0070.04011.11
5.2.130.0170.03311.13
5.2.120.0130.03711.10
5.2.110.0170.03710.96
5.2.100.0170.03311.01
5.2.90.0130.03010.90
5.2.80.0100.03711.09
5.2.70.0030.04310.90
5.2.60.0030.04311.14
5.2.50.0130.02710.93
5.2.40.0070.03311.07
5.2.30.0130.02710.96
5.2.20.0130.02310.79
5.2.10.0070.03310.93
5.2.00.0070.03710.70
5.1.60.0070.0279.89
5.1.50.0100.0309.92
5.1.40.0130.0209.95
5.1.30.0070.03710.30
5.1.20.0100.02310.25
5.1.10.0070.02710.13
5.1.00.0100.0239.92
5.0.50.0030.0238.46
5.0.40.0100.0278.41
5.0.30.0030.0378.20
5.0.20.0070.0208.30
5.0.10.0030.0208.09
5.0.00.0030.0338.21
4.4.90.0030.0175.84
4.4.80.0030.0175.88
4.4.70.0100.0105.87
4.4.60.0030.0175.81
4.4.50.0000.0205.84
4.4.40.0030.0305.92
4.4.30.0000.0235.83
4.4.20.0030.0175.82
4.4.10.0030.0175.90
4.4.00.0030.0335.84
4.3.110.0030.0175.80
4.3.100.0070.0175.75
4.3.90.0030.0175.76
4.3.80.0030.0275.74
4.3.70.0100.0205.75
4.3.60.0000.0205.71
4.3.50.0070.0175.83
4.3.40.0000.0305.67
4.3.30.0030.0134.50
4.3.20.0030.0174.47
4.3.10.0030.0174.50
4.3.00.0100.0237.50

preferences:
67.69 ms | 400 KiB | 5 Q