3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '0e123'; var_dump($a == 0); var_dump($a == "0"); var_dump($a == 0x0); var_dump($a == true); var_dump($a != ' '); var_dump($a == ""); var_dump($a == ''); echo trim($a) ? 'X' : 'O'; echo empty($a) ? 'X' : 'O'; echo !empty($a) ? 'X' : 'O'; echo -$a ? 'X' : 'O'; echo "\n"; define('0e', 1); var_dump($a == constant('0e')); echo "\n"; var_dump($a == " $a"); var_dump($a == "$a "); var_dump($a == '0x'); var_dump($a == '0e'); echo "\n"; var_dump($a == '0xe'); var_dump($a == '0xe0'); var_dump($a == '0x0e'); var_dump($a == ('0' . 'x0e'));

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)
8.3.60.0110.00418.31
8.3.50.0050.01322.04
8.3.40.0040.01418.61
8.3.30.0070.00718.89
8.3.20.0080.00020.18
8.3.10.0000.00821.73
8.3.00.0080.00019.25
8.2.180.0150.00318.29
8.2.170.0110.00722.96
8.2.160.0100.00620.39
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0130.00319.36
8.2.110.0070.01121.07
8.2.100.0110.00017.87
8.2.90.0040.00417.84
8.2.80.0030.00617.97
8.2.70.0050.00317.93
8.2.60.0070.00018.03
8.2.50.0080.00018.10
8.2.40.0060.00319.43
8.2.30.0040.00419.26
8.2.20.0030.00517.62
8.2.10.0050.00317.95
8.2.00.0050.00217.75
8.1.280.0070.00725.92
8.1.270.0040.00418.88
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0060.00322.12
8.1.230.0060.00622.66
8.1.220.0000.00817.75
8.1.210.0040.00418.77
8.1.200.0050.00317.22
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0060.00320.90
8.1.160.0000.00718.93
8.1.150.0040.00418.95
8.1.140.0040.00417.35
8.1.130.0000.00717.85
8.1.120.0040.00417.46
8.1.110.0000.00717.52
8.1.100.0040.00417.34
8.1.90.0080.00317.48
8.1.80.0000.00817.48
8.1.70.0000.00717.39
8.1.60.0030.00617.61
8.1.50.0040.00417.57
8.1.40.0030.00617.43
8.1.30.0000.00717.66
8.1.20.0030.00617.61
8.1.10.0040.00417.58
8.1.00.0000.00817.51
8.0.300.0100.00019.60
8.0.290.0050.00516.75
8.0.280.0030.00318.39
8.0.270.0000.00717.18
8.0.260.0040.00417.27
8.0.250.0050.00216.91
8.0.240.0070.00016.99
8.0.230.0000.00816.95
8.0.220.0030.00316.81
8.0.210.0040.00416.74
8.0.200.0000.00716.90
8.0.190.0080.00017.01
8.0.180.0080.00016.97
8.0.170.0060.00316.85
8.0.160.0090.00016.80
8.0.150.0030.00316.77
8.0.140.0040.00416.73
8.0.130.0000.00913.25
8.0.120.0000.00716.77
8.0.110.0000.00816.87
8.0.100.0050.00216.81
8.0.90.0040.00416.78
8.0.80.0110.00416.95
8.0.70.0040.00416.90
8.0.60.0030.00516.86
8.0.50.0000.00716.76
8.0.30.0110.01117.21
8.0.20.0100.00817.40
8.0.10.0070.00017.05
8.0.00.0130.00616.85
7.4.330.0040.00315.03
7.4.320.0030.00316.51
7.4.300.0000.00616.62
7.4.290.0040.00416.51
7.4.280.0080.00016.50
7.4.270.0060.00316.54
7.4.260.0040.00416.48
7.4.250.0070.00016.40
7.4.240.0040.00316.56
7.4.230.0030.00316.62
7.4.220.0100.01316.58
7.4.210.0070.01116.59
7.4.200.0000.00716.45
7.4.160.0030.01416.62
7.4.150.0130.00617.40
7.4.140.0070.01217.86
7.4.130.0090.01116.38
7.4.120.0090.00916.53
7.4.110.0060.01216.32
7.4.100.0100.01116.33
7.4.90.0070.01016.34
7.4.80.0140.00719.39
7.4.70.0100.01316.58
7.4.60.0130.01016.40
7.4.50.0040.00416.23
7.4.40.0060.01016.66
7.4.30.0160.00616.61
7.4.00.0050.01314.88
7.3.330.0000.00513.01
7.3.320.0080.00513.27
7.3.310.0030.00316.38
7.3.300.0000.00716.27
7.3.290.0070.00016.18
7.3.280.0080.01016.27
7.3.270.0100.00717.40
7.3.260.0110.01016.59
7.3.250.0100.00916.35
7.3.240.0190.00316.55
7.3.230.0060.01416.39
7.3.210.0040.01316.48
7.3.200.0090.00919.39
7.3.190.0070.01016.35
7.3.180.0120.00416.27
7.3.170.0110.01116.41
7.3.160.0110.00916.44
7.3.120.0070.01114.67
7.3.110.0110.00714.74
7.3.100.0060.00314.60
7.3.90.0130.00314.92
7.3.80.0120.00314.94
7.3.70.0000.01014.68
7.3.60.0090.00914.59
7.3.50.0070.01014.52
7.3.40.0000.01114.78
7.3.30.0030.01014.53
7.3.20.0130.00616.82
7.3.10.0070.00716.63
7.3.00.0060.00816.67
7.2.330.0110.00816.71
7.2.320.0100.00716.75
7.2.310.0060.01716.69
7.2.300.0110.00716.66
7.2.290.0070.01116.72
7.2.250.0060.01314.93
7.2.240.0090.00914.85
7.2.230.0060.00615.14
7.2.220.0040.00814.80
7.2.210.0000.01415.04
7.2.200.0000.01914.92
7.2.190.0030.01614.77
7.2.180.0040.00815.14
7.2.170.0060.00315.18
7.2.130.0110.00316.95
7.2.120.0120.00316.79
7.2.110.0030.01416.85
7.2.100.0040.00816.68
7.2.90.0070.01016.93
7.2.80.0070.01017.03
7.2.70.0040.01116.96
7.2.60.0110.00416.96
7.2.50.0050.00516.97
7.2.40.0030.00816.87
7.2.30.0040.00716.61
7.2.20.0060.00916.84
7.2.10.0080.00416.58
7.2.00.0040.00918.20
7.1.330.0060.00915.95
7.1.320.0030.01315.76
7.1.310.0060.00615.56
7.1.300.0070.00715.79
7.1.290.0000.00815.82
7.1.280.0100.00715.80
7.1.270.0070.00715.75
7.1.260.0110.00315.54
7.1.250.0030.00615.77
7.1.100.0030.00818.13
7.1.70.0000.00717.09
7.1.60.0130.00619.50
7.1.50.0040.01916.63
7.1.00.0030.07722.52
7.0.200.0830.00314.85
7.0.140.0000.07722.08
7.0.110.0230.06720.12
7.0.100.0130.04320.10
7.0.90.0130.04319.96
7.0.80.0030.05019.96
7.0.70.0170.03320.09
7.0.60.0070.04319.93
7.0.50.0200.06020.49
7.0.40.0000.04720.28
7.0.30.0130.03020.29
7.0.20.0070.03720.09
7.0.10.0070.04320.15
7.0.00.0070.04320.12
5.6.280.0000.07321.01
5.6.260.0070.07320.63
5.6.250.0030.04320.61
5.6.240.0030.04020.63
5.6.230.0070.03720.69
5.6.220.0030.07320.46
5.6.210.0000.04320.82
5.6.200.0000.05721.12
5.6.190.0100.03721.14
5.6.180.0000.04321.16
5.6.170.0030.07721.04
5.6.160.0070.04721.09
5.6.150.0070.04021.13
5.6.140.0070.04321.21
5.6.130.0030.04321.14
5.6.120.0030.08721.29
5.6.110.0130.04721.18
5.6.100.0000.04721.14
5.6.90.0030.04320.95
5.6.80.0070.04020.41
5.6.70.0070.04320.34
5.6.60.0100.03320.41
5.6.50.0100.07720.58
5.6.40.0030.08020.50
5.6.30.0130.06720.32
5.6.20.0070.06320.50
5.6.10.0130.07020.30
5.6.00.0070.06720.34
5.5.380.0030.04020.53
5.5.370.0030.04320.29
5.5.360.0000.05020.32
5.5.350.0030.04020.48
5.5.340.0070.04021.04
5.5.330.0000.04320.84
5.5.320.0100.03720.89
5.5.310.0030.04720.73
5.5.300.0170.06320.70
5.5.290.0100.04720.70
5.5.280.0130.03720.75
5.5.270.0000.07720.92
5.5.260.0070.04020.74
5.5.250.0030.04320.52
5.5.240.0100.03320.28
5.5.230.0070.04020.37
5.5.220.0030.04720.35
5.5.210.0070.08020.36
5.5.200.0100.05320.25
5.5.190.0070.06320.16
5.5.180.0070.07020.32
5.5.160.0100.04320.39
5.5.150.0070.07320.32
5.5.140.0130.07720.23
5.5.130.0130.06320.31
5.5.120.0070.08020.24
5.5.110.0100.05320.25
5.5.100.0100.06720.26
5.5.90.0130.06720.00
5.5.80.0170.06319.98
5.5.70.0130.06720.15
5.5.60.0070.07020.20
5.5.50.0070.07720.09
5.5.40.0100.07319.98
5.5.30.0070.08020.21
5.5.20.0030.05020.04
5.5.10.0100.07720.07
5.5.00.0100.07320.09
5.4.450.0000.04319.41
5.4.440.0100.06719.30
5.4.430.0000.04319.30
5.4.420.0000.05019.32
5.4.410.0070.03319.14
5.4.400.0000.07019.17
5.4.390.0070.03719.11
5.4.380.0030.07018.93
5.4.370.0170.06719.16
5.4.360.0070.07319.12
5.4.350.0100.06019.25
5.4.340.0070.08018.99
5.4.320.0070.06718.95
5.4.310.0100.07018.95
5.4.300.0100.06719.11
5.4.290.0170.07318.97
5.4.280.0070.05019.11
5.4.270.0070.08019.09
5.4.260.0130.06319.00
5.4.250.0030.07319.15
5.4.240.0030.05019.25
5.4.230.0070.06319.12
5.4.220.0000.07719.11
5.4.210.0030.08319.11
5.4.200.0100.05318.94
5.4.190.0000.05019.11
5.4.180.0100.07018.99
5.4.170.0070.06718.98
5.4.160.0030.06318.96
5.4.150.0070.07718.92
5.4.140.0170.06016.47
5.4.130.0100.05716.25
5.4.120.0000.08316.56
5.4.110.0170.06316.37
5.4.100.0130.04316.37
5.4.90.0030.06316.29
5.4.80.0030.07716.51
5.4.70.0030.07316.43
5.4.60.0030.06016.26
5.4.50.0100.07016.50
5.4.40.0100.06716.51
5.4.30.0030.04316.45
5.4.20.0070.07016.34
5.4.10.0070.07316.49
5.4.00.0070.04315.65
5.3.290.0130.07014.75
5.3.280.0070.05714.56
5.3.270.0070.07714.64
5.3.260.0070.07314.55
5.3.250.0070.07314.45
5.3.240.0100.07014.48
5.3.230.0070.04714.49
5.3.220.0030.07714.53
5.3.210.0130.06714.59
5.3.200.0070.07314.59
5.3.190.0100.07314.62
5.3.180.0030.04714.59
5.3.170.0030.07714.64
5.3.160.0070.07314.64
5.3.150.0100.07314.48
5.3.140.0130.07014.58
5.3.130.0170.06314.58
5.3.120.0030.08014.63
5.3.110.0070.07314.51
5.3.100.0070.07313.98
5.3.90.0100.07014.04
5.3.80.0070.07713.91
5.3.70.0000.07714.09
5.3.60.0070.06313.92
5.3.50.0000.08313.74
5.3.40.0100.07013.86
5.3.30.0130.07013.77
5.3.20.0200.06013.63
5.3.10.0030.07313.72
5.3.00.0170.06713.66
5.2.170.0100.05311.83
5.2.160.0000.04311.83
5.2.150.0070.06311.83
5.2.140.0070.06311.83
5.2.130.0100.03011.83
5.2.120.0030.06311.83
5.2.110.0030.06311.83
5.2.100.0030.06311.83
5.2.90.0100.05711.83
5.2.80.0170.05311.83
5.2.70.0030.06011.83
5.2.60.0030.06311.83
5.2.50.0070.04311.83
5.2.40.0030.06311.83
5.2.30.0070.06011.83
5.2.20.0030.06011.83
5.2.10.0070.05711.83
5.2.00.0030.06011.83
5.1.60.0100.02711.83
5.1.50.0100.02711.83
5.1.40.0130.04711.83
5.1.30.0030.05711.83
5.1.20.0030.05311.83
5.1.10.0070.05011.83
5.1.00.0100.05011.83
5.0.50.0130.03711.83
5.0.40.0070.04011.83
5.0.30.0130.05711.83
5.0.20.0030.03011.83
5.0.10.0030.04711.83
5.0.00.0000.06311.83
4.4.90.0000.04011.83
4.4.80.0000.03711.83
4.4.70.0070.03011.83
4.4.60.0030.03011.83
4.4.50.0070.03011.83
4.4.40.0030.05311.83
4.4.30.0000.03711.83
4.4.20.0000.03711.83
4.4.10.0030.03311.83
4.4.00.0070.05011.83
4.3.110.0070.03011.83
4.3.100.0030.03011.83
4.3.90.0030.03011.83
4.3.80.0030.05311.83
4.3.70.0030.03311.83
4.3.60.0030.02711.83
4.3.50.0030.03011.83
4.3.40.0000.05311.83
4.3.30.0100.02311.83
4.3.20.0000.04011.83
4.3.10.0070.03011.83
4.3.00.0030.03311.83

preferences:
46.22 ms | 401 KiB | 5 Q