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pointer null
null í¬ì¸í°
Last Update: 2011-10-23
Usage Frequency: 1
Quality:
"null" (începând cu php 4.0.8)
"array"
Last Update: 2011-10-24
Usage Frequency: 1
Quality:
Warning: Contains invisible HTML formatting
returnează true dacă var este null, false în caz contrar.
see the null type when a variable is considered to be null and when not.
Last Update: 2011-10-24
Usage Frequency: 1
Quality:
de asemenea, isset() va returna false dacă se testează o variabilă a cărei valoare a fost setată ca null.
returns true if var exists; false otherwise.
Last Update: 2011-10-24
Usage Frequency: 1
Quality:
$a = "test"; $b = "alt_test"; echo isset ($a); / / true echo isset ($a, $b) / /true unset ($a); echo isset ($a); / / false echo isset ($a, $b); / /false $foo = null; print isset ($foo); / / false
if a variable has been unset with unset(), it will no longer be isset().
Last Update: 2011-10-24
Usage Frequency: 1
Quality:
Warning: Contains invisible HTML formatting