S y n t a x
Javascript and PHP
| Javascript | PHP | |||
| comments | /* comment */ or // comment |
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should be declared at the beginning var i,j,k; |
no declaration needed | ||
| Datatypes | loose typing | loose typing | ||
| Names | must start with $ | |||
| Strings between | " |
" |
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| Arrays (long form) | var day = new Array(length); day[0] = "monday"; day[1] = "tuesday"; |
$day[0]="monday"; $day[1]="tuesday"; |
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| Arrays (short form) | var day= new Array("monday", "tuesday", wednesday"); | $day=array("monday","tuesday", wednesday"); | ||
| associative arrays (long form) | $teacher[CPT106]="Prisner"; $teacher[STA111]="Stanford"; |
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... for numbers | + - * / | + - * / | |
| add1, subtract 1 | ++ -- | ++ -- | ||
| concatenation of strings |
+ |
. |
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| comparison |
== != < > <= >= |
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| ... for Boolean expressions |
&& || |
&& and || or |
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if | if {condition} {what1} else {what2}; | ||
| for | for ($i=0; $i < 10; i++) {statements} | |||
| while | while (something is true) {statements} | |||
| foreach | (since PHP4) {what} | |||
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onload="fctname()" | |||
| onMouseOver=... | ||||
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function fctname(argnames){} | function fctname(argnames){} | ||
Erich Prisner, 11/22/2003