3v4l.org

run code in 300+ PHP versions simultaneously
<?php $uniqueNumbers = 100; $picked = []; $randoms = array_map(function () use(&$picked, $uniqueNumbers) { do { $rand = rand(0, $uniqueNumbers); } while(in_array($rand, $picked)); $picked[] = $rand; return $rand; }, array_fill(0, $uniqueNumbers, null)); sort($randoms); var_dump($randoms);
Output for 8.4.3
array(100) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) [5]=> int(5) [6]=> int(6) [7]=> int(7) [8]=> int(8) [9]=> int(9) [10]=> int(10) [11]=> int(11) [12]=> int(12) [13]=> int(13) [14]=> int(14) [15]=> int(15) [16]=> int(16) [17]=> int(17) [18]=> int(18) [19]=> int(19) [20]=> int(20) [21]=> int(21) [22]=> int(22) [23]=> int(23) [24]=> int(24) [25]=> int(25) [26]=> int(26) [27]=> int(27) [28]=> int(28) [29]=> int(29) [30]=> int(30) [31]=> int(31) [32]=> int(32) [33]=> int(33) [34]=> int(34) [35]=> int(35) [36]=> int(36) [37]=> int(37) [38]=> int(38) [39]=> int(39) [40]=> int(40) [41]=> int(41) [42]=> int(42) [43]=> int(43) [44]=> int(44) [45]=> int(45) [46]=> int(46) [47]=> int(47) [48]=> int(48) [49]=> int(49) [50]=> int(50) [51]=> int(51) [52]=> int(52) [53]=> int(53) [54]=> int(54) [55]=> int(55) [56]=> int(56) [57]=> int(57) [58]=> int(58) [59]=> int(59) [60]=> int(60) [61]=> int(61) [62]=> int(62) [63]=> int(63) [64]=> int(64) [65]=> int(65) [66]=> int(66) [67]=> int(67) [68]=> int(68) [69]=> int(69) [70]=> int(71) [71]=> int(72) [72]=> int(73) [73]=> int(74) [74]=> int(75) [75]=> int(76) [76]=> int(77) [77]=> int(78) [78]=> int(79) [79]=> int(80) [80]=> int(81) [81]=> int(82) [82]=> int(83) [83]=> int(84) [84]=> int(85) [85]=> int(86) [86]=> int(87) [87]=> int(88) [88]=> int(89) [89]=> int(90) [90]=> int(91) [91]=> int(92) [92]=> int(93) [93]=> int(94) [94]=> int(95) [95]=> int(96) [96]=> int(97) [97]=> int(98) [98]=> int(99) [99]=> int(100) }
Output for 8.1.29
array(100) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) [5]=> int(5) [6]=> int(6) [7]=> int(7) [8]=> int(8) [9]=> int(9) [10]=> int(10) [11]=> int(11) [12]=> int(12) [13]=> int(13) [14]=> int(14) [15]=> int(15) [16]=> int(16) [17]=> int(17) [18]=> int(18) [19]=> int(19) [20]=> int(20) [21]=> int(21) [22]=> int(22) [23]=> int(23) [24]=> int(24) [25]=> int(25) [26]=> int(26) [27]=> int(27) [28]=> int(28) [29]=> int(29) [30]=> int(30) [31]=> int(31) [32]=> int(32) [33]=> int(33) [34]=> int(34) [35]=> int(35) [36]=> int(36) [37]=> int(37) [38]=> int(38) [39]=> int(39) [40]=> int(40) [41]=> int(41) [42]=> int(42) [43]=> int(43) [44]=> int(44) [45]=> int(45) [46]=> int(46) [47]=> int(47) [48]=> int(48) [49]=> int(49) [50]=> int(50) [51]=> int(51) [52]=> int(52) [53]=> int(53) [54]=> int(54) [55]=> int(55) [56]=> int(56) [57]=> int(57) [58]=> int(58) [59]=> int(59) [60]=> int(60) [61]=> int(61) [62]=> int(62) [63]=> int(63) [64]=> int(64) [65]=> int(65) [66]=> int(66) [67]=> int(67) [68]=> int(68) [69]=> int(69) [70]=> int(70) [71]=> int(71) [72]=> int(72) [73]=> int(73) [74]=> int(74) [75]=> int(76) [76]=> int(77) [77]=> int(78) [78]=> int(79) [79]=> int(80) [80]=> int(81) [81]=> int(82) [82]=> int(83) [83]=> int(84) [84]=> int(85) [85]=> int(86) [86]=> int(87) [87]=> int(88) [88]=> int(89) [89]=> int(90) [90]=> int(91) [91]=> int(92) [92]=> int(93) [93]=> int(94) [94]=> int(95) [95]=> int(96) [96]=> int(97) [97]=> int(98) [98]=> int(99) [99]=> int(100) }
Output for 8.1.10
array(100) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) [5]=> int(5) [6]=> int(6) [7]=> int(7) [8]=> int(8) [9]=> int(9) [10]=> int(10) [11]=> int(11) [12]=> int(12) [13]=> int(13) [14]=> int(14) [15]=> int(15) [16]=> int(16) [17]=> int(17) [18]=> int(18) [19]=> int(19) [20]=> int(20) [21]=> int(21) [22]=> int(22) [23]=> int(23) [24]=> int(24) [25]=> int(25) [26]=> int(26) [27]=> int(27) [28]=> int(28) [29]=> int(29) [30]=> int(30) [31]=> int(31) [32]=> int(32) [33]=> int(33) [34]=> int(35) [35]=> int(36) [36]=> int(37) [37]=> int(38) [38]=> int(39) [39]=> int(40) [40]=> int(41) [41]=> int(42) [42]=> int(43) [43]=> int(44) [44]=> int(45) [45]=> int(46) [46]=> int(47) [47]=> int(48) [48]=> int(49) [49]=> int(50) [50]=> int(51) [51]=> int(52) [52]=> int(53) [53]=> int(54) [54]=> int(55) [55]=> int(56) [56]=> int(57) [57]=> int(58) [58]=> int(59) [59]=> int(60) [60]=> int(61) [61]=> int(62) [62]=> int(63) [63]=> int(64) [64]=> int(65) [65]=> int(66) [66]=> int(67) [67]=> int(68) [68]=> int(69) [69]=> int(70) [70]=> int(71) [71]=> int(72) [72]=> int(73) [73]=> int(74) [74]=> int(75) [75]=> int(76) [76]=> int(77) [77]=> int(78) [78]=> int(79) [79]=> int(80) [80]=> int(81) [81]=> int(82) [82]=> int(83) [83]=> int(84) [84]=> int(85) [85]=> int(86) [86]=> int(87) [87]=> int(88) [88]=> int(89) [89]=> int(90) [90]=> int(91) [91]=> int(92) [92]=> int(93) [93]=> int(94) [94]=> int(95) [95]=> int(96) [96]=> int(97) [97]=> int(98) [98]=> int(99) [99]=> int(100) }
Output for 8.1.7
array(100) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) [5]=> int(5) [6]=> int(6) [7]=> int(7) [8]=> int(8) [9]=> int(9) [10]=> int(10) [11]=> int(11) [12]=> int(12) [13]=> int(13) [14]=> int(14) [15]=> int(15) [16]=> int(16) [17]=> int(17) [18]=> int(18) [19]=> int(19) [20]=> int(20) [21]=> int(21) [22]=> int(22) [23]=> int(23) [24]=> int(24) [25]=> int(25) [26]=> int(26) [27]=> int(27) [28]=> int(28) [29]=> int(29) [30]=> int(30) [31]=> int(31) [32]=> int(32) [33]=> int(34) [34]=> int(35) [35]=> int(36) [36]=> int(37) [37]=> int(38) [38]=> int(39) [39]=> int(40) [40]=> int(41) [41]=> int(42) [42]=> int(43) [43]=> int(44) [44]=> int(45) [45]=> int(46) [46]=> int(47) [47]=> int(48) [48]=> int(49) [49]=> int(50) [50]=> int(51) [51]=> int(52) [52]=> int(53) [53]=> int(54) [54]=> int(55) [55]=> int(56) [56]=> int(57) [57]=> int(58) [58]=> int(59) [59]=> int(60) [60]=> int(61) [61]=> int(62) [62]=> int(63) [63]=> int(64) [64]=> int(65) [65]=> int(66) [66]=> int(67) [67]=> int(68) [68]=> int(69) [69]=> int(70) [70]=> int(71) [71]=> int(72) [72]=> int(73) [73]=> int(74) [74]=> int(75) [75]=> int(76) [76]=> int(77) [77]=> int(78) [78]=> int(79) [79]=> int(80) [80]=> int(81) [81]=> int(82) [82]=> int(83) [83]=> int(84) [84]=> int(85) [85]=> int(86) [86]=> int(87) [87]=> int(88) [88]=> int(89) [89]=> int(90) [90]=> int(91) [91]=> int(92) [92]=> int(93) [93]=> int(94) [94]=> int(95) [95]=> int(96) [96]=> int(97) [97]=> int(98) [98]=> int(99) [99]=> int(100) }
Output for 8.1.6
array(100) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) [5]=> int(5) [6]=> int(6) [7]=> int(7) [8]=> int(8) [9]=> int(9) [10]=> int(10) [11]=> int(11) [12]=> int(12) [13]=> int(13) [14]=> int(14) [15]=> int(15) [16]=> int(16) [17]=> int(17) [18]=> int(18) [19]=> int(19) [20]=> int(20) [21]=> int(21) [22]=> int(22) [23]=> int(23) [24]=> int(24) [25]=> int(25) [26]=> int(26) [27]=> int(27) [28]=> int(28) [29]=> int(29) [30]=> int(30) [31]=> int(31) [32]=> int(32) [33]=> int(33) [34]=> int(34) [35]=> int(35) [36]=> int(36) [37]=> int(37) [38]=> int(38) [39]=> int(39) [40]=> int(40) [41]=> int(41) [42]=> int(42) [43]=> int(43) [44]=> int(44) [45]=> int(45) [46]=> int(46) [47]=> int(47) [48]=> int(48) [49]=> int(49) [50]=> int(50) [51]=> int(51) [52]=> int(52) [53]=> int(53) [54]=> int(54) [55]=> int(55) [56]=> int(56) [57]=> int(57) [58]=> int(58) [59]=> int(59) [60]=> int(60) [61]=> int(61) [62]=> int(62) [63]=> int(63) [64]=> int(64) [65]=> int(65) [66]=> int(66) [67]=> int(67) [68]=> int(68) [69]=> int(69) [70]=> int(70) [71]=> int(71) [72]=> int(72) [73]=> int(73) [74]=> int(74) [75]=> int(75) [76]=> int(76) [77]=> int(77) [78]=> int(78) [79]=> int(79) [80]=> int(80) [81]=> int(81) [82]=> int(82) [83]=> int(83) [84]=> int(84) [85]=> int(85) [86]=> int(86) [87]=> int(87) [88]=> int(89) [89]=> int(90) [90]=> int(91) [91]=> int(92) [92]=> int(93) [93]=> int(94) [94]=> int(95) [95]=> int(96) [96]=> int(97) [97]=> int(98) [98]=> int(99) [99]=> int(100) }
Output for 8.0.9
array(100) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) [5]=> int(5) [6]=> int(6) [7]=> int(7) [8]=> int(8) [9]=> int(9) [10]=> int(10) [11]=> int(11) [12]=> int(12) [13]=> int(13) [14]=> int(14) [15]=> int(15) [16]=> int(16) [17]=> int(17) [18]=> int(18) [19]=> int(19) [20]=> int(20) [21]=> int(21) [22]=> int(22) [23]=> int(23) [24]=> int(24) [25]=> int(25) [26]=> int(26) [27]=> int(27) [28]=> int(28) [29]=> int(29) [30]=> int(30) [31]=> int(31) [32]=> int(32) [33]=> int(33) [34]=> int(34) [35]=> int(35) [36]=> int(36) [37]=> int(37) [38]=> int(38) [39]=> int(39) [40]=> int(40) [41]=> int(41) [42]=> int(42) [43]=> int(43) [44]=> int(44) [45]=> int(45) [46]=> int(46) [47]=> int(47) [48]=> int(48) [49]=> int(49) [50]=> int(50) [51]=> int(51) [52]=> int(52) [53]=> int(53) [54]=> int(54) [55]=> int(55) [56]=> int(56) [57]=> int(57) [58]=> int(58) [59]=> int(59) [60]=> int(60) [61]=> int(62) [62]=> int(63) [63]=> int(64) [64]=> int(65) [65]=> int(66) [66]=> int(67) [67]=> int(68) [68]=> int(69) [69]=> int(70) [70]=> int(71) [71]=> int(72) [72]=> int(73) [73]=> int(74) [74]=> int(75) [75]=> int(76) [76]=> int(77) [77]=> int(78) [78]=> int(79) [79]=> int(80) [80]=> int(81) [81]=> int(82) [82]=> int(83) [83]=> int(84) [84]=> int(85) [85]=> int(86) [86]=> int(87) [87]=> int(88) [88]=> int(89) [89]=> int(90) [90]=> int(91) [91]=> int(92) [92]=> int(93) [93]=> int(94) [94]=> int(95) [95]=> int(96) [96]=> int(97) [97]=> int(98) [98]=> int(99) [99]=> int(100) }
Output for 7.4.33
array(100) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) [5]=> int(5) [6]=> int(6) [7]=> int(7) [8]=> int(8) [9]=> int(9) [10]=> int(10) [11]=> int(11) [12]=> int(12) [13]=> int(13) [14]=> int(14) [15]=> int(15) [16]=> int(16) [17]=> int(17) [18]=> int(19) [19]=> int(20) [20]=> int(21) [21]=> int(22) [22]=> int(23) [23]=> int(24) [24]=> int(25) [25]=> int(26) [26]=> int(27) [27]=> int(28) [28]=> int(29) [29]=> int(30) [30]=> int(31) [31]=> int(32) [32]=> int(33) [33]=> int(34) [34]=> int(35) [35]=> int(36) [36]=> int(37) [37]=> int(38) [38]=> int(39) [39]=> int(40) [40]=> int(41) [41]=> int(42) [42]=> int(43) [43]=> int(44) [44]=> int(45) [45]=> int(46) [46]=> int(47) [47]=> int(48) [48]=> int(49) [49]=> int(50) [50]=> int(51) [51]=> int(52) [52]=> int(53) [53]=> int(54) [54]=> int(55) [55]=> int(56) [56]=> int(57) [57]=> int(58) [58]=> int(59) [59]=> int(60) [60]=> int(61) [61]=> int(62) [62]=> int(63) [63]=> int(64) [64]=> int(65) [65]=> int(66) [66]=> int(67) [67]=> int(68) [68]=> int(69) [69]=> int(70) [70]=> int(71) [71]=> int(72) [72]=> int(73) [73]=> int(74) [74]=> int(75) [75]=> int(76) [76]=> int(77) [77]=> int(78) [78]=> int(79) [79]=> int(80) [80]=> int(81) [81]=> int(82) [82]=> int(83) [83]=> int(84) [84]=> int(85) [85]=> int(86) [86]=> int(87) [87]=> int(88) [88]=> int(89) [89]=> int(90) [90]=> int(91) [91]=> int(92) [92]=> int(93) [93]=> int(94) [94]=> int(95) [95]=> int(96) [96]=> int(97) [97]=> int(98) [98]=> int(99) [99]=> int(100) }
Output for 7.4.30
array(100) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) [5]=> int(5) [6]=> int(6) [7]=> int(7) [8]=> int(8) [9]=> int(9) [10]=> int(10) [11]=> int(11) [12]=> int(12) [13]=> int(14) [14]=> int(15) [15]=> int(16) [16]=> int(17) [17]=> int(18) [18]=> int(19) [19]=> int(20) [20]=> int(21) [21]=> int(22) [22]=> int(23) [23]=> int(24) [24]=> int(25) [25]=> int(26) [26]=> int(27) [27]=> int(28) [28]=> int(29) [29]=> int(30) [30]=> int(31) [31]=> int(32) [32]=> int(33) [33]=> int(34) [34]=> int(35) [35]=> int(36) [36]=> int(37) [37]=> int(38) [38]=> int(39) [39]=> int(40) [40]=> int(41) [41]=> int(42) [42]=> int(43) [43]=> int(44) [44]=> int(45) [45]=> int(46) [46]=> int(47) [47]=> int(48) [48]=> int(49) [49]=> int(50) [50]=> int(51) [51]=> int(52) [52]=> int(53) [53]=> int(54) [54]=> int(55) [55]=> int(56) [56]=> int(57) [57]=> int(58) [58]=> int(59) [59]=> int(60) [60]=> int(61) [61]=> int(62) [62]=> int(63) [63]=> int(64) [64]=> int(65) [65]=> int(66) [66]=> int(67) [67]=> int(68) [68]=> int(69) [69]=> int(70) [70]=> int(71) [71]=> int(72) [72]=> int(73) [73]=> int(74) [74]=> int(75) [75]=> int(76) [76]=> int(77) [77]=> int(78) [78]=> int(79) [79]=> int(80) [80]=> int(81) [81]=> int(82) [82]=> int(83) [83]=> int(84) [84]=> int(85) [85]=> int(86) [86]=> int(87) [87]=> int(88) [88]=> int(89) [89]=> int(90) [90]=> int(91) [91]=> int(92) [92]=> int(93) [93]=> int(94) [94]=> int(95) [95]=> int(96) [96]=> int(97) [97]=> int(98) [98]=> int(99) [99]=> int(100) }
Output for 7.4.20, 7.4.27
array(100) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) [5]=> int(5) [6]=> int(6) [7]=> int(7) [8]=> int(8) [9]=> int(9) [10]=> int(10) [11]=> int(11) [12]=> int(12) [13]=> int(13) [14]=> int(14) [15]=> int(15) [16]=> int(16) [17]=> int(17) [18]=> int(18) [19]=> int(19) [20]=> int(20) [21]=> int(21) [22]=> int(22) [23]=> int(23) [24]=> int(24) [25]=> int(25) [26]=> int(26) [27]=> int(27) [28]=> int(28) [29]=> int(29) [30]=> int(30) [31]=> int(31) [32]=> int(32) [33]=> int(33) [34]=> int(34) [35]=> int(35) [36]=> int(36) [37]=> int(37) [38]=> int(38) [39]=> int(39) [40]=> int(40) [41]=> int(41) [42]=> int(42) [43]=> int(43) [44]=> int(44) [45]=> int(45) [46]=> int(46) [47]=> int(47) [48]=> int(48) [49]=> int(49) [50]=> int(50) [51]=> int(51) [52]=> int(52) [53]=> int(53) [54]=> int(54) [55]=> int(55) [56]=> int(56) [57]=> int(57) [58]=> int(58) [59]=> int(59) [60]=> int(60) [61]=> int(61) [62]=> int(62) [63]=> int(63) [64]=> int(64) [65]=> int(65) [66]=> int(66) [67]=> int(67) [68]=> int(68) [69]=> int(69) [70]=> int(70) [71]=> int(71) [72]=> int(72) [73]=> int(73) [74]=> int(74) [75]=> int(75) [76]=> int(76) [77]=> int(77) [78]=> int(78) [79]=> int(79) [80]=> int(80) [81]=> int(81) [82]=> int(82) [83]=> int(83) [84]=> int(84) [85]=> int(85) [86]=> int(86) [87]=> int(87) [88]=> int(88) [89]=> int(89) [90]=> int(90) [91]=> int(91) [92]=> int(92) [93]=> int(93) [94]=> int(94) [95]=> int(95) [96]=> int(97) [97]=> int(98) [98]=> int(99) [99]=> int(100) }
Output for 7.4.26
array(100) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) [5]=> int(5) [6]=> int(6) [7]=> int(7) [8]=> int(8) [9]=> int(9) [10]=> int(10) [11]=> int(11) [12]=> int(12) [13]=> int(13) [14]=> int(14) [15]=> int(15) [16]=> int(16) [17]=> int(17) [18]=> int(18) [19]=> int(19) [20]=> int(20) [21]=> int(21) [22]=> int(22) [23]=> int(23) [24]=> int(24) [25]=> int(25) [26]=> int(26) [27]=> int(27) [28]=> int(28) [29]=> int(29) [30]=> int(30) [31]=> int(31) [32]=> int(32) [33]=> int(33) [34]=> int(34) [35]=> int(35) [36]=> int(36) [37]=> int(37) [38]=> int(38) [39]=> int(39) [40]=> int(40) [41]=> int(41) [42]=> int(42) [43]=> int(44) [44]=> int(45) [45]=> int(46) [46]=> int(47) [47]=> int(48) [48]=> int(49) [49]=> int(50) [50]=> int(51) [51]=> int(52) [52]=> int(53) [53]=> int(54) [54]=> int(55) [55]=> int(56) [56]=> int(57) [57]=> int(58) [58]=> int(59) [59]=> int(60) [60]=> int(61) [61]=> int(62) [62]=> int(63) [63]=> int(64) [64]=> int(65) [65]=> int(66) [66]=> int(67) [67]=> int(68) [68]=> int(69) [69]=> int(70) [70]=> int(71) [71]=> int(72) [72]=> int(73) [73]=> int(74) [74]=> int(75) [75]=> int(76) [76]=> int(77) [77]=> int(78) [78]=> int(79) [79]=> int(80) [80]=> int(81) [81]=> int(82) [82]=> int(83) [83]=> int(84) [84]=> int(85) [85]=> int(86) [86]=> int(87) [87]=> int(88) [88]=> int(89) [89]=> int(90) [90]=> int(91) [91]=> int(92) [92]=> int(93) [93]=> int(94) [94]=> int(95) [95]=> int(96) [96]=> int(97) [97]=> int(98) [98]=> int(99) [99]=> int(100) }
preferences:
64.44 ms | 440 KiB | 5 Q