3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(array() == NULL); var_dump("" == NULL); var_dump(array() != "");

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)
8.3.40.0090.00618.60
8.3.30.0140.00418.92
8.3.20.0040.00420.18
8.3.10.0030.00623.55
8.3.00.0040.00419.38
8.2.170.0120.00322.96
8.2.160.0180.00020.35
8.2.150.0050.00224.18
8.2.140.0080.00024.66
8.2.130.0090.00626.16
8.2.120.0040.00422.27
8.2.110.0040.00422.30
8.2.100.0030.00917.66
8.2.90.0000.00718.95
8.2.80.0050.00317.97
8.2.70.0080.00017.34
8.2.60.0080.00017.91
8.2.50.0050.00318.07
8.2.40.0000.00818.16
8.2.30.0090.00017.90
8.2.20.0040.00417.53
8.2.10.0000.00817.77
8.2.00.0040.00417.60
8.1.270.0110.00422.14
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.84
8.1.230.0110.00019.01
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0000.00817.27
8.1.180.0040.00418.10
8.1.170.0000.01218.30
8.1.160.0000.00721.94
8.1.150.0040.00418.59
8.1.140.0070.00017.32
8.1.130.0030.00317.66
8.1.120.0030.00317.32
8.1.110.0070.00017.30
8.1.100.0030.00617.32
8.1.90.0000.00717.22
8.1.80.0040.00417.32
8.1.70.0000.00717.33
8.1.60.0000.00817.44
8.1.50.0000.00817.29
8.1.40.0000.00717.36
8.1.30.0000.00817.45
8.1.20.0080.00017.57
8.1.10.0000.00717.27
8.1.00.0070.00017.23
8.0.300.0000.00718.77
8.0.290.0000.00716.93
8.0.280.0000.00718.31
8.0.270.0030.00317.02
8.0.260.0000.00616.68
8.0.250.0030.00316.83
8.0.240.0000.00716.80
8.0.230.0070.00016.77
8.0.220.0020.00516.65
8.0.210.0030.00316.70
8.0.200.0040.00416.86
8.0.190.0040.00416.88
8.0.180.0070.00016.78
8.0.170.0040.00416.79
8.0.160.0050.00316.74
8.0.150.0030.00316.66
8.0.140.0040.00416.74
8.0.130.0030.00313.18
8.0.120.0000.00716.62
8.0.110.0000.00716.67
8.0.100.0000.00716.57
8.0.90.0040.00416.64
8.0.80.0000.01516.69
8.0.70.0050.00216.64
8.0.60.0000.00716.64
8.0.50.0030.00316.74
8.0.30.0140.00716.96
8.0.20.0080.01117.40
8.0.10.0040.00416.90
8.0.00.0090.01216.43
7.4.330.0000.00515.02
7.4.320.0040.00416.36
7.4.300.0060.00016.28
7.4.290.0050.00316.30
7.4.280.0050.00316.43
7.4.270.0000.00716.27
7.4.260.0000.00716.45
7.4.250.0040.00416.39
7.4.240.0020.00516.40
7.4.230.0070.00016.34
7.4.220.0130.00616.40
7.4.210.0030.01116.46
7.4.200.0070.00016.25
7.4.190.0030.00316.54
7.4.160.0040.01116.25
7.4.150.0120.00617.40
7.4.140.0090.00717.86
7.4.130.0100.01116.44
7.4.120.0160.00416.25
7.4.110.0040.01416.52
7.4.100.0070.01016.39
7.4.90.0060.00916.43
7.4.80.0150.00619.39
7.4.70.0130.00316.26
7.4.60.0000.01616.45
7.4.50.0060.00016.21
7.4.40.0100.00722.77
7.4.30.0100.00716.46
7.4.00.0070.01014.87
7.3.330.0030.00312.80
7.3.320.0000.00513.04
7.3.310.0030.00315.99
7.3.300.0040.00416.08
7.3.290.0090.00916.11
7.3.280.0080.00816.10
7.3.270.0140.00617.40
7.3.260.0060.01116.16
7.3.250.0140.00716.33
7.3.240.0060.01216.17
7.3.230.0110.00716.43
7.3.210.0120.00616.07
7.3.200.0080.01519.39
7.3.190.0060.01516.10
7.3.180.0150.00016.05
7.3.170.0080.00816.43
7.3.160.0190.00316.11
7.3.120.0030.01314.92
7.2.330.0040.01416.21
7.2.320.0160.00616.45
7.2.310.0090.01216.21
7.2.300.0110.00616.57
7.2.290.0120.01116.50
7.1.200.0000.00915.67
7.1.70.0040.00417.07
7.1.60.0090.01519.33
7.1.50.0060.00616.83
7.1.00.0030.07722.29
7.0.200.0060.00316.58
7.0.140.0130.06322.21
7.0.100.0000.07020.05
7.0.90.0000.08020.00
7.0.80.0100.07719.96
7.0.70.0030.04719.89
7.0.60.0070.08319.84
7.0.50.0030.04020.29
7.0.40.0100.04020.08
7.0.30.0100.06720.10
7.0.20.0100.08019.93
7.0.10.0030.07320.10
7.0.00.0070.05720.08
5.6.280.0070.07321.13
5.6.250.0130.07720.63
5.6.240.0170.07020.52
5.6.230.0030.08320.75
5.6.220.0100.05020.67
5.6.210.0000.04720.65
5.6.200.0130.03721.04
5.6.190.0000.04721.04
5.6.180.0030.04321.05
5.6.170.0070.08021.03
5.6.160.0030.08320.97
5.6.150.0200.06721.07
5.6.140.0000.08021.03
5.6.130.0200.02321.08
5.6.120.0000.05320.90
5.6.110.0100.06021.04
5.6.100.0070.06020.91
5.6.90.0000.05321.11
5.6.80.0030.04320.51
5.6.70.0030.04320.41
5.6.60.0030.04020.39
5.6.50.0030.04020.47
5.6.40.0000.04320.30
5.6.30.0000.04320.37
5.6.20.0000.04020.41
5.6.10.0000.06020.39
5.6.00.0030.04020.43
5.5.380.0130.07320.41
5.5.370.0070.07720.40
5.5.360.0070.04020.36
5.5.350.0000.04720.41
5.5.340.0030.07020.75
5.5.330.0000.04020.73
5.5.320.0000.04320.83
5.5.310.0000.07020.77
5.5.300.0070.04020.79
5.5.290.0070.05320.86
5.5.280.0030.07020.90
5.5.270.0070.03720.90
5.5.260.0000.04720.74
5.5.250.0070.03320.67
5.5.240.0000.03720.28
5.5.230.0070.03720.29
5.5.220.0000.08320.28
5.5.210.0000.04020.20
5.5.200.0030.04020.26
5.5.190.0000.06320.17
5.5.180.0130.02720.12
5.5.160.0130.02720.27
5.5.150.0030.03720.14
5.5.140.0030.05320.12
5.5.130.0100.03320.21
5.5.120.0100.05720.21
5.5.110.0030.04020.08
5.5.100.0030.04319.95
5.5.90.0000.08320.14
5.5.80.0130.04720.06
5.5.70.0030.08319.99
5.5.60.0100.06019.92
5.5.50.0070.07720.05
5.5.40.0030.05020.13
5.5.30.0100.07020.14
5.5.20.0030.07020.14
5.5.10.0030.07720.05
5.5.00.0070.08020.14
5.4.450.0030.06319.36
5.4.440.0070.03319.46
5.4.430.0030.04019.29
5.4.420.0070.05719.36
5.4.410.0030.04719.18
5.4.400.0000.05318.98
5.4.390.0070.03718.98
5.4.380.0000.04318.90
5.4.370.0070.04719.05
5.4.360.0030.06319.03
5.4.350.0070.03319.23
5.4.340.0030.04318.95
5.4.320.0000.04018.79
5.4.310.0070.04719.12
5.4.300.0070.03319.03
5.4.290.0030.03719.07
5.4.280.0030.04019.06
5.4.270.0000.05318.92
5.4.260.0100.06718.85
5.4.250.0070.03019.05
5.4.240.0100.07319.22
5.4.230.0130.06718.81
5.4.220.0000.08019.16
5.4.210.0130.04319.14
5.4.200.0200.06319.23
5.4.190.0070.08018.77
5.4.180.0100.03319.09
5.4.170.0070.07718.78
5.4.160.0070.07019.11
5.4.150.0100.06318.96
5.4.140.0070.05016.27
5.4.130.0070.07316.12
5.4.120.0100.07016.27
5.4.110.0170.06016.33
5.4.100.0100.07316.30
5.4.90.0030.07716.24
5.4.80.0100.07316.20
5.4.70.0070.07316.20
5.4.60.0070.06716.29
5.4.50.0100.07016.23
5.4.40.0070.07716.37
5.4.30.0170.06316.38
5.4.20.0230.05716.37
5.4.10.0070.07716.38
5.4.00.0030.07715.80
5.3.290.0000.03714.60
5.3.280.0030.07314.44
5.3.270.0070.04714.59
5.3.260.0170.03314.45
5.3.250.0070.05314.42
5.3.240.0100.07014.56
5.3.230.0070.07314.57
5.3.220.0070.08014.55
5.3.210.0000.05714.54
5.3.200.0130.06714.50
5.3.190.0100.07314.38
5.3.180.0130.05714.40
5.3.170.0170.06314.41
5.3.160.0130.05314.47
5.3.150.0100.05314.46
5.3.140.0130.07014.37
5.3.130.0100.07314.50
5.3.120.0070.07314.45
5.3.110.0070.07714.36
5.3.100.0100.07313.98
5.3.90.0000.07314.02
5.3.80.0000.07013.99
5.3.70.0030.06714.02
5.3.60.0100.07013.98
5.3.50.0030.07313.93
5.3.40.0000.07713.80
5.3.30.0130.06313.90
5.3.20.0230.05313.46
5.3.10.0130.06313.61
5.3.00.0130.06313.62
5.2.170.0030.07011.49
5.2.160.0100.05711.49
5.2.150.0000.06711.49
5.2.140.0030.06311.49
5.2.130.0070.06011.49
5.2.120.0100.06011.49
5.2.110.0030.04711.49
5.2.100.0070.06311.49
5.2.90.0030.06311.49
5.2.80.0030.06311.49
5.2.70.0130.05711.49
5.2.60.0070.05011.49
5.2.50.0130.05311.49
5.2.40.0130.05311.49
5.2.30.0030.03311.49
5.2.20.0030.05311.49
5.2.10.0030.05711.49
5.2.00.0100.04011.49
5.1.60.0030.03311.49
5.1.50.0000.04011.49
5.1.40.0030.05711.49
5.1.30.0070.05311.49
5.1.20.0030.05711.49
5.1.10.0000.06011.49
5.1.00.0030.06011.49
5.0.50.0000.05011.49
5.0.40.0000.05011.49
5.0.30.0000.07011.49
5.0.20.0030.04311.49
5.0.10.0100.03711.49
5.0.00.0070.06011.49
4.4.90.0070.03011.49
4.4.80.0000.02011.49
4.4.70.0070.03311.49
4.4.60.0000.04011.49
4.4.50.0030.03711.49
4.4.40.0030.04311.49
4.4.30.0000.03711.49
4.4.20.0000.03011.49
4.4.10.0000.03311.49
4.4.00.0000.05011.49
4.3.110.0000.03711.49
4.3.100.0070.03011.49
4.3.90.0000.03711.49
4.3.80.0000.05711.49
4.3.70.0030.03311.49
4.3.60.0070.03011.49
4.3.50.0030.03311.49
4.3.40.0070.04711.49
4.3.30.0000.03711.49
4.3.20.0030.03711.49
4.3.10.0000.02711.49
4.3.00.0030.03311.49

preferences:
47.17 ms | 400 KiB | 5 Q