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| 杩愮畻绗 | 鍒悕 | 璇硶绀轰緥 | 鍚箟 | 瀵瑰簲PHP璇硶 |
|---|---|---|---|---|
| == | eq | $a eq $b | 绛変簬 | == |
| != | ne, neq | $a neq $b | 涓嶇瓑浜 | != |
| > | gt | $a gt $b | 澶т簬 | > |
| < | lt | $a lt $b | 灏忎簬 | < |
| >= | gte, ge | $a ge $b | 澶т簬绛変簬 | >= |
| <= | lte, le | $a le $b | 灏忎簬绛変簬 | <= |
| === | 聽 | $a === 0 | 缁濆绛変簬 | === |
| ! | not | not $a | 闈 (涓鍏冭繍绠) | ! |
| % | mod | $a mod $b | 鍙栨ā | % |
| is [not] div by | 聽 | $a is not div by 4 | 鍙栨ā涓0 | $a % $b == 0 |
| is [not] even | 聽 | $a is not even | [闈瀅 鍙栨ā涓0 (涓鍏冭繍绠) | $a % 2 == 0 |
| is [not] even by | 聽 | $a is not even by $b | 姘村钩鍒嗙粍 [闈瀅 骞冲潎 | ($a / $b) % 2 == 0 |
| is [not] odd | 聽 | $a is not odd | [闈瀅 濂囨暟 (涓鍏冭繍绠) | $a % 2 != 0 |
| is [not] odd by | 聽 | $a is not odd by $b | [闈瀅 濂囨暟鍒嗙粍 | ($a / $b) % 2 != 0 |
Example聽7.44.聽{if} 琛ㄨ揪寮
{if $name eq 'Fred'}
Welcome Sir.
{elseif $name eq 'Wilma'}
Welcome Ma'am.
{else}
Welcome, whatever you are.
{/if}
{* an example with "or" logic *}
{if $name eq 'Fred' or $name eq 'Wilma'}
...
{/if}
{* same as above *}
{if $name == 'Fred' || $name == 'Wilma'}
...
{/if}
{* parenthesis are allowed *}
{if ( $amount < 0 or $amount > 1000 ) and $volume >= #minVolAmt#}
...
{/if}
{* you can also embed php function calls *}
{if count($var) gt 0}
...
{/if}
{* check for array. *}
{if is_array($foo) }
.....
{/if}
{* check for not null. *}
{if isset($foo) }
.....
{/if}
{* test if values are even or odd *}
{if $var is even}
...
{/if}
{if $var is odd}
...
{/if}
{if $var is not odd}
...
{/if}
{* test if var is divisible by 4 *}
{if $var is div by 4}
...
{/if}
{*
test if var is even, grouped by two. i.e.,
0=even, 1=even, 2=odd, 3=odd, 4=even, 5=even, etc.
*}
{if $var is even by 2}
...
{/if}
{* 0=even, 1=even, 2=even, 3=odd, 4=odd, 5=odd, etc. *}
{if $var is even by 3}
...
{/if}
Example聽7.45.聽{if} 鐨勬洿澶氫緥瀛
{if isset($name) && $name == 'Blog'}
{* do something *}
{elseif $name == $foo}
{* do something *}
{/if}
{if is_array($foo) && count($foo) > 0}
{* do a foreach loop *}
{/if}
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