3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); echo 'null == false? ', (null == false) ? 'yes' : 'no', "\n"; echo 'null == 0 ? ', (null == 0) ? 'yes' : 'no', "\n"; echo 'null == "0" ? ', (null == "0") ? 'yes' : 'no', "\n"; echo 'null == $foo ? ', (null == $foo) ? 'yes' : 'no', "\n"; echo 'null == "" ? ', (null == "") ? 'yes' : 'no', "\n"; echo 'false == 0 ? ', (false == 0) ? 'yes' : 'no', "\n"; echo 'false == "0" ?', (false == "0") ? 'yes' : 'no', "\n"; echo 'false == $foo ? ', (false == $undefined) ? 'yes' : 'no', "\n"; echo 'false == "" ? ', (false == "") ? 'yes' : 'no', "\n"; echo '0 == "0" ? ', (0 == "0") ? 'yes' : 'no', "\n"; echo '0 == $foo ? ', (0 == $undefined) ? 'yes' : 'no', "\n"; echo '0 == "" ? ', (0 == "") ? 'yes' : 'no', "\n"; echo '"0" == $foo ? ', ("0" == $undefined) ? 'yes' : 'no', "\n"; echo '"0" == "" ? ', ("0" == "") ? 'yes' : 'no', "\n"; echo '$foo == "" ? ', ($undefined == "") ? 'yes' : 'no', "\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)
8.3.60.0000.01418.39
8.3.50.0060.01321.27
8.3.40.0090.00618.58
8.3.30.0060.00918.71
8.3.20.0040.00418.82
8.3.10.0040.00421.05
8.3.00.0000.00823.36
8.2.180.0060.01318.41
8.2.170.0090.00622.96
8.2.160.0140.00020.24
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00419.52
8.2.110.0110.00022.23
8.2.100.0080.00417.88
8.2.90.0040.00419.00
8.2.80.0080.00017.97
8.2.70.0060.00317.48
8.2.60.0050.00317.90
8.2.50.0000.00818.07
8.2.40.0040.00418.16
8.2.30.0070.00019.47
8.2.20.0070.00017.58
8.2.10.0000.00717.57
8.2.00.0040.00417.75
8.1.280.0110.00425.92
8.1.270.0030.00523.99
8.1.260.0190.00026.35
8.1.250.0030.00628.09
8.1.240.0090.00022.05
8.1.230.0030.00720.71
8.1.220.0000.00918.77
8.1.210.0040.00418.89
8.1.200.0100.00017.23
8.1.190.0080.00019.32
8.1.180.0050.00318.10
8.1.170.0000.00918.64
8.1.160.0040.00418.83
8.1.150.0030.00618.61
8.1.140.0050.00217.42
8.1.130.0030.00317.78
8.1.120.0030.00717.33
8.1.110.0050.00217.48
8.1.100.0040.00417.31
8.1.90.0040.00417.42
8.1.80.0040.00417.30
8.1.70.0070.00017.31
8.1.60.0040.00417.43
8.1.50.0040.00417.32
8.1.40.0060.00317.41
8.1.30.0000.00817.64
8.1.20.0080.00017.55
8.1.10.0050.00217.48
8.1.00.0040.00417.42
8.0.300.0040.00419.88
8.0.290.0000.00817.16
8.0.280.0070.00018.34
8.0.270.0030.00317.16
8.0.260.0030.00316.82
8.0.250.0040.00416.95
8.0.240.0030.00617.00
8.0.230.0070.00016.94
8.0.220.0030.00316.92
8.0.210.0000.00716.80
8.0.200.0000.00716.96
8.0.190.0060.00316.98
8.0.180.0000.00716.98
8.0.170.0090.00016.76
8.0.160.0080.00016.80
8.0.150.0040.00416.74
8.0.140.0000.00716.90
8.0.130.0060.00013.27
8.0.120.0020.00516.89
8.0.110.0040.00416.74
8.0.100.0040.00416.85
8.0.90.0070.00016.86
8.0.80.0090.00616.80
8.0.70.0050.00216.97
8.0.60.0000.00716.95
8.0.50.0000.00716.91
8.0.30.0040.01717.00
8.0.20.0120.01017.40
8.0.10.0000.00817.02
8.0.00.0100.00816.83
7.4.330.0000.00514.77
7.4.320.0070.00016.47
7.4.300.0000.00716.38
7.4.290.0030.00316.45
7.4.280.0030.00316.55
7.4.270.0070.00016.45
7.4.260.0000.00613.18
7.4.250.0040.00416.40
7.4.240.0000.00716.54
7.4.230.0000.00716.35
7.4.220.0100.01016.53
7.4.210.0070.00916.56
7.4.200.0030.00316.46
7.4.190.0050.00316.51
7.4.160.0050.01116.47
7.4.150.0120.00617.40
7.4.140.0090.01117.86
7.4.130.0060.01116.47
7.4.120.0130.00716.54
7.4.110.0100.00716.66
7.4.100.0080.01216.21
7.4.90.0170.00016.55
7.4.80.0050.01419.39
7.4.70.0080.00816.53
7.4.60.0090.00616.39
7.4.50.0090.00016.63
7.4.40.0050.00822.52
7.4.30.0100.00716.68
7.4.00.0050.00915.09
7.3.330.0030.00313.23
7.3.320.0000.00713.25
7.3.310.0030.00316.36
7.3.300.0030.00316.26
7.3.290.0060.00916.27
7.3.280.0060.01016.38
7.3.270.0130.00317.40
7.3.260.0130.00718.24
7.3.250.0100.01016.50
7.3.240.0100.00616.54
7.3.230.0140.00716.42
7.3.210.0130.01016.61
7.3.200.0060.00919.39
7.3.190.0060.01016.49
7.3.180.0080.00916.41
7.3.170.0070.01016.32
7.3.160.0080.00816.52
7.3.120.0110.00514.92
7.3.110.0070.01014.91
7.3.100.0080.00414.89
7.3.90.0060.00314.90
7.3.80.0070.01014.71
7.3.70.0030.01014.55
7.3.60.0090.00314.93
7.3.50.0000.01114.49
7.3.40.0040.01114.68
7.3.30.0040.00414.73
7.3.20.0040.01116.82
7.3.10.0060.00616.86
7.3.00.0050.00416.72
7.2.330.0070.01116.59
7.2.320.0070.01416.30
7.2.310.0090.01816.39
7.2.300.0140.00316.60
7.2.290.0110.00716.61
7.2.250.0030.01614.98
7.2.240.0100.00714.95
7.2.230.0070.00715.12
7.2.220.0030.01014.62
7.2.210.0080.00415.09
7.2.200.0030.00915.02
7.2.190.0000.01315.02
7.2.180.0030.00615.11
7.2.170.0090.00914.81
7.2.00.0030.01019.29
7.1.330.0110.00715.81
7.1.320.0040.01115.83
7.1.310.0060.00315.98
7.1.300.0040.00715.73
7.1.290.0030.01015.79
7.1.280.0090.00915.88
7.1.270.0040.00715.85
7.1.260.0100.00315.51
7.1.100.0000.01017.93
7.1.70.0040.00417.12
7.1.60.0090.01519.40
7.1.50.0040.01816.86
7.1.00.0030.07322.48
7.0.200.0030.00616.80
7.0.140.0100.06722.00
7.0.70.0000.07721.69
7.0.60.0030.07021.77
7.0.50.0100.07322.12
7.0.40.0030.08020.14
7.0.30.0130.06720.09
7.0.20.0100.08020.11
7.0.10.0000.08720.14
7.0.00.0070.08020.18
5.6.280.0070.06720.91
5.6.220.0030.04720.50
5.6.210.0070.08320.63
5.6.200.0200.06720.98
5.6.190.0130.07021.09
5.6.180.0000.06021.12
5.6.170.0070.06720.95
5.6.160.0000.09021.17
5.6.150.0000.08720.96
5.6.140.0170.05720.94
5.6.130.0030.08021.03
5.6.120.0100.05720.94
5.6.110.0000.08021.06
5.6.100.0030.04321.03
5.6.90.0100.06321.00
5.6.80.0170.07020.50
5.6.70.0030.08020.39
5.6.60.0070.04720.40
5.6.50.0030.07720.53
5.6.40.0070.07720.39
5.6.30.0030.07720.39
5.6.20.0000.04320.37
5.6.10.0030.03720.45
5.6.00.0030.05020.48
5.5.360.0030.09020.35
5.5.350.0070.05320.34
5.5.340.0070.05720.93
5.5.330.0030.06020.94
5.5.320.0000.05020.84
5.5.310.0000.06020.79
5.5.300.0070.08320.93
5.5.290.0000.05320.89
5.5.280.0070.04320.78
5.5.270.0100.08020.87
5.5.260.0030.09020.92
5.5.250.0000.08720.60
5.5.240.0000.08320.04
5.5.230.0030.05320.26
5.5.220.0030.07720.18
5.5.210.0100.07720.16
5.5.200.0030.07720.13
5.5.190.0070.03720.28
5.5.180.0070.03720.16
5.5.160.0030.03720.26
5.5.150.0070.03320.24
5.5.140.0000.04020.24
5.5.130.0070.03320.18
5.5.120.0070.03320.28
5.5.110.0000.04020.25
5.5.100.0030.03720.13
5.5.90.0000.06020.05
5.5.80.0000.04020.04
5.5.70.0000.04320.01
5.5.60.0030.03719.94
5.5.50.0000.04020.14
5.5.40.0000.04320.08
5.5.30.0030.03720.12
5.5.20.0000.03320.15
5.5.10.0030.03020.12
5.5.00.0030.03020.00
5.4.450.0270.04319.29
5.4.440.0030.08719.29
5.4.430.0000.05719.44
5.4.420.0030.07719.27
5.4.410.0130.06719.24
5.4.400.0100.07019.05
5.4.390.0130.06719.11
5.4.380.0130.06719.04
5.4.370.0000.07718.98
5.4.360.0030.07719.07
5.4.350.0030.05718.98
5.4.340.0000.04318.95
5.4.320.0030.03719.07
5.4.310.0030.03319.05
5.4.300.0000.03719.08
5.4.290.0070.03319.11
5.4.280.0000.04019.08
5.4.270.0030.04718.96
5.4.260.0000.03719.12
5.4.250.0000.04018.95
5.4.240.0030.03319.02
5.4.230.0000.04018.96
5.4.220.0000.04319.08
5.4.210.0030.06319.09
5.4.200.0070.03319.00
5.4.190.0070.03319.04
5.4.180.0000.03719.13
5.4.170.0000.03718.95
5.4.160.0000.03019.12
5.4.150.0030.06018.92
5.4.140.0070.07316.37
5.4.130.0000.03716.29
5.4.120.0000.03716.28
5.4.110.0030.03316.40
5.4.100.0000.04016.23
5.4.90.0030.06016.33
5.4.80.0000.04016.21
5.4.70.0030.02716.36
5.4.60.0030.03716.39
5.4.50.0000.03016.38
5.4.40.0000.03016.37
5.4.30.0070.02316.40
5.4.20.0000.06716.18
5.4.10.0000.03716.34
5.4.00.0000.03715.71
5.3.290.0070.03314.64
5.3.280.0030.03314.60
5.3.270.0000.03014.61
5.3.260.0030.04714.63
5.3.250.0000.03014.48
5.3.240.0030.04014.46
5.3.230.0000.04014.61
5.3.220.0000.03714.49
5.3.210.0000.03014.56
5.3.200.0000.03314.53
5.3.190.0030.03014.59
5.3.180.0030.03314.54
5.3.170.0070.03314.44
5.3.160.0000.07314.40
5.3.150.0030.02714.49
5.3.140.0030.03014.57
5.3.130.0030.02714.42
5.3.120.0000.03714.43
5.3.110.0000.03314.50
5.3.100.0000.04314.04
5.3.90.0000.03014.01
5.3.80.0000.03714.02
5.3.70.0000.03713.98
5.3.60.0070.03014.01
5.3.50.0030.07013.87
5.3.40.0000.07013.95
5.3.30.0070.07013.87
5.3.20.0070.05713.64
5.3.10.0030.06713.65
5.3.00.0070.06713.66
5.2.170.0000.05012.26
5.2.160.0070.04712.26
5.2.150.0070.05712.26
5.2.140.0000.06312.26
5.2.130.0070.03712.26
5.2.120.0000.04012.26
5.2.110.0000.03312.26
5.2.100.0030.06312.26
5.2.90.0000.05012.26
5.2.80.0030.05312.26
5.2.70.0030.06312.26
5.2.60.0000.04312.26
5.2.50.0070.06012.26
5.2.40.0070.06312.26
5.2.30.0030.06012.26
5.2.20.0000.05712.26
5.2.10.0100.05012.26
5.2.00.0030.05312.26
5.1.60.0030.06012.26
5.1.50.0030.05712.26
5.1.40.0030.05312.26
5.1.30.0030.05012.26
5.1.20.0000.05712.26
5.1.10.0100.03712.26
5.1.00.0000.04012.26
5.0.50.0070.04312.26
5.0.40.0030.04312.26
5.0.30.0030.04012.26
5.0.20.0000.04712.26
5.0.10.0100.04012.26
5.0.00.0030.06312.26
4.4.90.0070.03312.26
4.4.80.0000.01712.26
4.4.70.0070.03012.26
4.4.60.0070.03312.26
4.4.50.0030.03312.26
4.4.40.0070.04712.26
4.4.30.0030.03312.26
4.4.20.0000.03012.26
4.4.10.0070.03012.26
4.4.00.0000.04712.26
4.3.110.0000.02712.26
4.3.100.0000.02712.26
4.3.90.0000.02712.26
4.3.80.0030.04012.26
4.3.70.0000.02312.26
4.3.60.0000.02312.26
4.3.50.0030.01712.26
4.3.40.0030.05312.26
4.3.30.0030.03312.26
4.3.20.0030.02712.26
4.3.10.0030.03712.26
4.3.00.0000.03712.26

preferences:
35.9 ms | 401 KiB | 5 Q