3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data[] = null; $data[] = 0; $data[] = 1; $data[] = true; $data[] = false; foreach($data as $value) { $result = is_null($value); echo ("is_null ( " . var_export($value, true) . " ) = " . var_export(is_null($value), true). " \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
8.3.50.0090.00617.88
8.3.40.0160.00018.79
8.3.30.0100.00319.04
8.3.20.0030.00520.21
8.3.10.0030.00621.73
8.3.00.0080.00019.69
8.2.180.0120.00916.50
8.2.170.0150.00022.96
8.2.160.0030.01020.52
8.2.150.0030.00624.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0030.00521.02
8.2.110.0030.00722.20
8.2.100.0110.00019.45
8.2.90.0070.00019.35
8.2.80.0030.00517.97
8.2.70.0030.00617.75
8.2.60.0040.00418.05
8.2.50.0080.00018.07
8.2.40.0050.00318.16
8.2.30.0000.00918.19
8.2.20.0000.00817.71
8.2.10.0070.00018.11
8.2.00.0080.00017.78
8.1.270.0030.00522.09
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0040.00423.97
8.1.230.0080.00319.00
8.1.220.0030.00517.74
8.1.210.0060.00318.77
8.1.200.0080.00317.23
8.1.190.0060.00317.23
8.1.180.0040.00418.10
8.1.170.0090.00018.33
8.1.160.0030.00622.02
8.1.150.0000.00718.82
8.1.140.0040.00417.46
8.1.130.0000.00717.74
8.1.120.0000.00717.50
8.1.110.0000.00817.43
8.1.100.0070.00017.35
8.1.90.0060.00317.51
8.1.80.0080.00017.50
8.1.70.0080.00017.33
8.1.60.0030.00617.46
8.1.50.0030.00617.43
8.1.40.0000.00917.39
8.1.30.0000.00917.63
8.1.20.0040.00417.63
8.1.10.0030.00617.48
8.1.00.0040.00417.51
8.0.300.0000.00818.77
8.0.290.0070.00016.63
8.0.280.0070.00018.52
8.0.270.0070.00017.24
8.0.260.0030.00317.25
8.0.250.0040.00416.93
8.0.240.0030.00316.93
8.0.230.0000.00716.95
8.0.220.0080.00016.86
8.0.210.0030.00316.87
8.0.200.0080.00016.82
8.0.190.0000.00816.97
8.0.180.0000.00816.89
8.0.170.0060.00316.95
8.0.160.0000.00716.91
8.0.150.0020.00516.87
8.0.140.0030.00616.82
8.0.130.0000.00713.28
8.0.120.0040.00416.88
8.0.110.0080.00016.95
8.0.100.0040.00416.77
8.0.90.0070.00016.68
8.0.80.0100.00516.80
8.0.70.0020.00516.71
8.0.60.0000.00716.83
8.0.50.0040.00416.86
8.0.30.0110.01016.99
8.0.20.0140.00717.40
8.0.10.0030.00517.00
8.0.00.0080.00816.88
7.4.330.0060.00015.00
7.4.320.0030.00316.45
7.4.300.0030.00316.49
7.4.290.0040.00716.38
7.4.280.0000.00716.57
7.4.270.0070.00016.59
7.4.260.0040.00416.61
7.4.250.0000.00916.47
7.4.240.0030.00316.57
7.4.230.0030.00316.59
7.4.220.0090.00916.61
7.4.210.0100.00316.59
7.4.200.0040.00416.60
7.4.160.0060.01316.42
7.4.150.0100.00617.40
7.4.140.0070.01017.86
7.4.130.0070.00916.49
7.4.120.0090.00716.48
7.4.110.0150.00616.63
7.4.100.0130.01016.41
7.4.90.0090.00916.49
7.4.80.0150.00319.39
7.4.70.0150.00316.38
7.4.60.0070.01016.61
7.4.50.0060.00316.34
7.4.40.0130.01016.27
7.4.30.0070.01016.48
7.4.00.0030.01414.96
7.3.330.0000.00513.02
7.3.320.0000.00613.00
7.3.310.0000.00716.34
7.3.300.0050.00316.27
7.3.290.0090.00616.21
7.3.280.0070.00916.32
7.3.270.0030.01517.40
7.3.260.0120.00616.39
7.3.250.0100.00716.36
7.3.240.0110.00816.56
7.3.230.0100.00616.46
7.3.210.0070.01016.30
7.3.200.0100.01019.39
7.3.190.0060.01016.56
7.3.180.0100.00616.24
7.3.170.0160.00016.32
7.3.160.0090.00616.20
7.3.120.0070.00714.89
7.3.110.0110.00714.33
7.3.100.0030.01014.96
7.3.90.0070.01014.42
7.3.80.0060.00914.71
7.3.70.0060.00614.99
7.3.60.0060.00914.90
7.3.50.0140.00014.61
7.3.40.0030.01014.48
7.3.30.0000.01114.53
7.3.20.0110.00416.53
7.3.10.0130.00016.65
7.3.00.0000.01216.50
7.2.330.0090.01316.65
7.2.320.0090.00916.65
7.2.310.0100.01016.39
7.2.300.0110.00716.79
7.2.290.0060.01216.41
7.2.250.0000.01515.00
7.2.240.0110.00715.18
7.2.230.0070.00715.08
7.2.220.0000.01415.13
7.2.210.0100.01014.93
7.2.200.0060.00314.95
7.2.190.0050.00514.93
7.2.180.0070.01114.93
7.2.170.0080.00415.13
7.2.00.0070.00719.30
7.1.330.0110.00315.79
7.1.320.0000.01215.60
7.1.310.0060.00915.64
7.1.300.0000.01515.79
7.1.290.0080.00615.83
7.1.280.0030.00915.84
7.1.270.0030.01015.81
7.1.260.0090.00615.62
7.1.100.0650.01215.81
7.1.70.0030.00617.19
7.1.60.0090.00919.25
7.1.50.0070.01716.86
7.1.00.0070.07322.36
7.0.200.0070.00016.94
7.0.140.0000.07722.01
7.0.120.0070.04322.01
7.0.110.0000.06021.95
7.0.100.0000.04722.10
7.0.90.0070.03722.05
7.0.80.0030.05721.92
7.0.70.0030.04022.05
7.0.60.0100.03321.91
7.0.50.0070.03722.04
7.0.40.0070.03720.12
7.0.30.0070.07019.93
7.0.20.0030.05020.13
7.0.10.0030.04720.15
7.0.00.0000.05020.05
5.6.280.0070.07020.97
5.6.270.0100.04021.00
5.6.260.0030.05320.74
5.6.250.0000.03720.82
5.6.240.0000.04720.83
5.6.230.0100.05021.01
5.6.220.0070.06021.02
5.6.210.0000.04720.81
5.6.200.0070.07320.93
5.6.190.0070.04020.74
5.6.180.0070.03321.01
5.6.170.0030.08021.00
5.6.160.0100.04020.89
5.6.150.0030.06020.95
5.6.140.0000.06020.91
5.6.130.0030.04020.87
5.6.120.0030.04320.79
5.6.110.0030.04020.98
5.6.100.0000.04320.98
5.6.90.0000.04020.68
5.6.80.0030.04020.36
5.6.70.0030.03720.07
5.6.60.0030.07020.38
5.6.50.0000.06320.33
5.6.40.0030.06320.10
5.6.30.0030.04020.08
5.6.20.0000.03720.05
5.6.10.0070.08020.12
5.6.00.0000.04020.39
5.5.380.0070.03717.53
5.5.370.0030.09017.53
5.5.360.0100.03317.62
5.5.350.0030.05017.53
5.5.340.0000.04018.25
5.5.330.0100.06018.09
5.5.320.0100.04017.77
5.5.310.0030.05718.01
5.5.300.0000.07317.84
5.5.290.0070.04018.18
5.5.280.0070.04017.75
5.5.270.0000.04318.13
5.5.260.0030.04017.76
5.5.250.0000.04317.96
5.5.240.0030.04017.41
5.5.230.0000.05717.27
5.5.220.0100.03017.53
5.5.210.0000.04017.24
5.5.200.0070.03317.45
5.5.190.0030.05717.51
5.5.180.0000.04017.24
5.5.160.0030.07317.12
5.5.150.0000.04017.36
5.5.140.0070.05717.33
5.5.130.0000.04717.44
5.5.120.0000.05317.35
5.5.110.0030.04317.59
5.5.100.0070.03717.35
5.5.90.0030.06717.02
5.5.80.0030.08317.41
5.5.70.0030.04017.09
5.5.60.0070.06017.01
5.5.50.0000.03717.40
5.5.40.0000.05317.04
5.5.30.0030.04317.41
5.5.20.0070.04017.10
5.5.10.0000.06317.49
5.5.00.0070.03317.39
5.4.450.0030.07019.44
5.4.440.0030.03719.28
5.4.430.0030.03719.22
5.4.420.0030.03719.30
5.4.410.0030.03019.32
5.4.400.0000.03318.91
5.4.390.0000.03318.90
5.4.380.0070.05019.03
5.4.370.0100.02718.85
5.4.360.0030.06018.89
5.4.350.0070.03019.08
5.4.340.0000.04018.90
5.4.320.0070.05318.88
5.4.310.0030.04319.11
5.4.300.0000.04019.11
5.4.290.0030.04318.88
5.4.280.0000.04019.06
5.4.270.0030.05019.04
5.4.260.0130.02719.07
5.4.250.0000.08718.89
5.4.240.0030.07019.05
5.4.230.0030.05319.02
5.4.220.0070.03719.20
5.4.210.0070.05018.97
5.4.200.0030.03718.94
5.4.190.0170.05718.89
5.4.180.0030.05718.89
5.4.170.0030.04319.21
5.4.160.0100.03018.93
5.4.150.0070.05318.95
5.4.140.0100.04316.39
5.4.130.0100.03316.46
5.4.120.0030.03716.39
5.4.110.0070.03316.08
5.4.100.0000.03316.31
5.4.90.0000.03716.19
5.4.80.0070.04316.22
5.4.70.0070.03016.46
5.4.60.0000.06016.50
5.4.50.0030.03316.41
5.4.40.0030.03016.46
5.4.30.0000.04316.32
5.4.20.0000.03316.10
5.4.10.0030.03316.43
5.4.00.0030.03015.74
5.3.290.0000.05714.61
5.3.280.0070.04014.47
5.3.270.0030.03714.50
5.3.260.0000.04014.48
5.3.250.0030.06314.51
5.3.240.0030.07314.62
5.3.230.0070.03714.48
5.3.220.0000.04014.57
5.3.210.0030.06714.45
5.3.200.0030.06014.46
5.3.190.0070.03714.51
5.3.180.0000.03714.45
5.3.170.0000.03714.49
5.3.160.0030.04014.50
5.3.150.0000.07314.43
5.3.140.0000.03714.56
5.3.130.0070.04014.64
5.3.120.0030.04014.42
5.3.110.0000.03714.55
5.3.100.0000.03013.87
5.3.90.0070.02313.80
5.3.80.0000.03314.04
5.3.70.0030.03314.02
5.3.60.0000.03014.06
5.3.50.0030.03313.83
5.3.40.0000.03713.87
5.3.30.0070.02313.84
5.3.20.0000.03013.60
5.3.10.0070.04313.50
5.3.00.0000.03313.53
5.2.170.0000.03011.16
5.2.160.0000.02311.20
5.2.150.0000.03011.06
5.2.140.0030.02711.08
5.2.130.0030.04310.99
5.2.120.0030.02711.04
5.2.110.0000.03711.09
5.2.100.0000.03711.03
5.2.90.0000.02710.99
5.2.80.0000.03011.05
5.2.70.0000.03011.03
5.2.60.0000.02710.97
5.2.50.0000.02310.95
5.2.40.0000.02710.94
5.2.30.0030.02710.86
5.2.20.0030.02310.89
5.2.10.0000.03010.80
5.2.00.0000.03010.86
5.1.60.0000.02310.14
5.1.50.0000.03310.15
5.1.40.0070.02010.14
5.1.30.0070.02310.35
5.1.20.0000.02710.49
5.1.10.0070.02010.22
5.1.00.0030.02310.14
5.0.50.0000.02010.14
5.0.40.0000.02010.14
5.0.30.0030.02710.14
5.0.20.0000.02010.14
5.0.10.0030.01710.14
5.0.00.0000.03010.14
4.4.90.0000.01310.14
4.4.80.0000.01310.14
4.4.70.0000.01710.14
4.4.60.0000.01710.14
4.4.50.0000.01310.14
4.4.40.0000.02310.14
4.4.30.0030.01010.14
4.4.20.0000.01310.14
4.4.10.0070.01010.14
4.4.00.0000.02310.14
4.3.110.0000.01310.14
4.3.100.0000.01310.14
4.3.90.0000.01310.14
4.3.80.0030.02010.14
4.3.70.0000.01710.14
4.3.60.0000.01310.14
4.3.50.0000.01310.14
4.3.40.0000.02010.14
4.3.30.0000.01710.14
4.3.20.0000.01310.14
4.3.10.0000.01710.14
4.3.00.0000.02310.14

preferences:
73.69 ms | 400 KiB | 5 Q