Created
June 25, 2017 12:31
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PHP foreach issue
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<?php | |
$arr = range(1,3); | |
var_dump($arr); | |
print("<br>"); | |
foreach($arr as &$val) { | |
var_dump($arr); | |
var_dump($val); | |
print("<br>"); | |
} | |
print("<br>"); | |
foreach($arr as $val) { | |
var_dump($arr); | |
var_dump($val); | |
print("<br>"); | |
} | |
unset($val); | |
print("<br>"); | |
var_dump($arr); | |
print("<br>"); | |
print("<br>"); | |
foreach($arr as $val) { | |
var_dump($arr); | |
var_dump($val); | |
print("<br>"); | |
} |
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array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }
array(3) { [0]=> &int(1) [1]=> int(2) [2]=> int(3) } int(1)
array(3) { [0]=> int(1) [1]=> &int(2) [2]=> int(3) } int(2)
array(3) { [0]=> int(1) [1]=> int(2) [2]=> &int(3) } int(3)
array(3) { [0]=> int(1) [1]=> int(2) [2]=> &int(1) } int(1)
array(3) { [0]=> int(1) [1]=> int(2) [2]=> &int(2) } int(2)
array(3) { [0]=> int(1) [1]=> int(2) [2]=> &int(2) } int(2)
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(2) }
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(2) } int(1)
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(2) } int(2)
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(2) } int(2)