test_insteadof.sh

#!/bin/bash


cleanup() {
    rm -f $TESTPHP
    rm -f $CLASSPHP
}

trap cleanup EXIT INT HUP TERM

echo "Generating php5 test-case..."
TESTPHP=`mktemp /tmp/test_phpinsteadof_XXXX.php`
CLASSPHP=`mktemp /tmp/test_phpinsteadof_XXXX.php`
# manual testing shows 12 or more to be the trigger
NR_TRAITS=${1-12}  

cat > $TESTPHP << EOF
#!/usr/bin/php -q
<?php

\$i = ${NR_TRAITS};

while (\$i--) {
        
        eval('class c' . \$i . ' {}');
            
}

require_once("$CLASSPHP");

die("End\n");
EOF

TRAIT_DEFS=""
for ((x=0; x<$NR_TRAITS; x++)); do
    TRAIT="trait trait${x} { public function methodName() {} }\n"
    TRAIT_DEFS="${TRAIT_DEFS}${TRAIT}"
done
TRAIT_DEFS=`echo -e $TRAIT_DEFS`;

TRAITS=""
INSTEAD_OF=""
for ((x=1; x<$NR_TRAITS; x++)); do
    TRAIT="                trait${x}"
    INSTEAD="                trait0::methodName insteadof trait${x};\n"
    if (($x + 1 == $NR_TRAITS)); then
        TRAITS="${TRAITS}${TRAIT}\n"
    else
        TRAITS="${TRAITS}${TRAIT},\n"
    fi
    INSTEAD_OF="${INSTEAD_OF}${INSTEAD}"
done
TRAITS=`echo -e $TRAITS`;
INSTEAD_OF=`echo -e $INSTEAD_OF`

cat > $CLASSPHP << EOF
<?php

namespace   SPACE;

${TRAIT_DEFS}

class c {
    
    use         trait0,
${TRAITS}
        {
${INSTEAD_OF}                
        }
    
}
EOF
chmod +x $TESTPHP
echo "Running php5 insteadof test-case..."
exec $TESTPHP
exit $?