3v4l.org

run code in 300+ PHP versions simultaneously
<?php $constants = get_defined_constants(true); $core_keys = array_keys($constants["Core"]); sort($core_keys); print_r($core_keys);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => DEBUG_BACKTRACE_IGNORE_ARGS [1] => DEBUG_BACKTRACE_PROVIDE_OBJECT [2] => DEFAULT_INCLUDE_PATH [3] => E_ALL [4] => E_COMPILE_ERROR [5] => E_COMPILE_WARNING [6] => E_CORE_ERROR [7] => E_CORE_WARNING [8] => E_DEPRECATED [9] => E_ERROR [10] => E_NOTICE [11] => E_PARSE [12] => E_RECOVERABLE_ERROR [13] => E_STRICT [14] => E_USER_DEPRECATED [15] => E_USER_ERROR [16] => E_USER_NOTICE [17] => E_USER_WARNING [18] => E_WARNING [19] => FALSE [20] => NULL [21] => PEAR_EXTENSION_DIR [22] => PEAR_INSTALL_DIR [23] => PHP_BINARY [24] => PHP_BINDIR [25] => PHP_CLI_PROCESS_TITLE [26] => PHP_CONFIG_FILE_PATH [27] => PHP_CONFIG_FILE_SCAN_DIR [28] => PHP_DATADIR [29] => PHP_DEBUG [30] => PHP_EOL [31] => PHP_EXTENSION_DIR [32] => PHP_EXTRA_VERSION [33] => PHP_FD_SETSIZE [34] => PHP_FLOAT_DIG [35] => PHP_FLOAT_EPSILON [36] => PHP_FLOAT_MAX [37] => PHP_FLOAT_MIN [38] => PHP_INT_MAX [39] => PHP_INT_MIN [40] => PHP_INT_SIZE [41] => PHP_LIBDIR [42] => PHP_LOCALSTATEDIR [43] => PHP_MAJOR_VERSION [44] => PHP_MANDIR [45] => PHP_MAXPATHLEN [46] => PHP_MINOR_VERSION [47] => PHP_OS [48] => PHP_OS_FAMILY [49] => PHP_OUTPUT_HANDLER_CLEAN [50] => PHP_OUTPUT_HANDLER_CLEANABLE [51] => PHP_OUTPUT_HANDLER_CONT [52] => PHP_OUTPUT_HANDLER_DISABLED [53] => PHP_OUTPUT_HANDLER_END [54] => PHP_OUTPUT_HANDLER_FINAL [55] => PHP_OUTPUT_HANDLER_FLUSH [56] => PHP_OUTPUT_HANDLER_FLUSHABLE [57] => PHP_OUTPUT_HANDLER_REMOVABLE [58] => PHP_OUTPUT_HANDLER_START [59] => PHP_OUTPUT_HANDLER_STARTED [60] => PHP_OUTPUT_HANDLER_STDFLAGS [61] => PHP_OUTPUT_HANDLER_WRITE [62] => PHP_PREFIX [63] => PHP_RELEASE_VERSION [64] => PHP_SAPI [65] => PHP_SHLIB_SUFFIX [66] => PHP_SYSCONFDIR [67] => PHP_VERSION [68] => PHP_VERSION_ID [69] => PHP_ZTS [70] => STDERR [71] => STDIN [72] => STDOUT [73] => TRUE [74] => UPLOAD_ERR_CANT_WRITE [75] => UPLOAD_ERR_EXTENSION [76] => UPLOAD_ERR_FORM_SIZE [77] => UPLOAD_ERR_INI_SIZE [78] => UPLOAD_ERR_NO_FILE [79] => UPLOAD_ERR_NO_TMP_DIR [80] => UPLOAD_ERR_OK [81] => UPLOAD_ERR_PARTIAL [82] => ZEND_DEBUG_BUILD [83] => ZEND_THREAD_SAFE )

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
56.87 ms | 409 KiB | 8 Q