DO_FCALL_BY_NAME

PHP code

<?php
/*
 * Call a function by name.  Following INIT_FCALL_BY_NAME and multiple SEND_VAL, SEND_VAR or SEND_REF.
 * opcode number: 61
 */
$x = 'phpinfo';
$a = $x();
?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$x, !1=$a

line#opfetchextreturnoperands
60ASSIGN   !0,'phpinfo'
71INIT_FCALL_BY_NAME   !0
 2DO_FCALL_BY_NAME 0  
 3ASSIGN   !1,$1
84RETURN   1