Php/docs/internals2.opcodes.send-var
From Get docs
SEND_VAR
PHP code
<?php/* * Pass the variable value as an actual parameter to a function. DO_FCALL follows. * opcode number: 66 */$a = array(1,2,3);if(is_array($a)){ return 0; }?>
PHP opcodes
Function name: (null)
Compiled variables: !0=$a
| line | # | op | fetch | ext | return | operands |
|---|---|---|---|---|---|---|
| 6 | 0 | INIT_ARRAY | ~0 | 1 | ||
| 1 | ADD_ARRAY_ELEMENT | ~0 | 2 | |||
| 2 | ADD_ARRAY_ELEMENT | ~0 | 3 | |||
| 3 | ASSIGN | !0,~0 | ||||
| 7 | 4 | SEND_VAR | !0 | |||
| 5 | DO_FCALL | 1 | 'is_array' | |||
| 6 | JMPZ | $2,->9 | ||||
| 7 | RETURN | 0 | ||||
| 8 | JMP | ->9 | ||||
| 8 | 9 | RETURN | 1 |
