Online PHP editor | output for iToO8

@ 2024-02-02T04:27:01Z

<?php

$null = null;

// Fatal error: var_export($null->someMethod() ?? null);

//echo "\n---\n";

// Fatal error: var_export($null->someMethod()->city ?? null);

//echo "\n---\n";

// Fatal error: var_export($null->someMethod()?->city ?? null);

//echo "\n---\n";

var_export($null?->someMethod() ?? "null coalesced");
//              ^-- null-safe operator required before method call
echo "\n---\n";

var_export($null?->property?->someMethod() ?? "null coalesced");
//              ^----------^-- null-safe operators required before method call
echo "\n---\n";

var_export($null->property->anotherProperty ?? "null coalesced");
//              ^---------^-- NO METHODS CALLED, SO NO NULL-SAFE OPERATORS REQUIRED
echo "\n---\n";

var_export($null?->property?->someMethod()->anotherProperty ?? "null coalesced");
//              ^          ^              ^-- NO NULL-SAFE OPERATORS REQUIRED IF NO SUBSEQUENT METHODS CALLED
//              |----------|-- nulls-safe operators required before method call

Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14, 8.5.0: 'null coalesced' --- 'null coalesced' --- 'null coalesced' --- 'null coalesced'
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.3.28: /bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28)
Process exited with code 1.
Output for 7.4.33: Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR) in /in/iToO8 on line 17
Process exited with code 255.

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