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run code in 300+ PHP versions simultaneously
<?php class Test { public function testFunction($arr) { array_walk_recursive($arr, array('Test','alt_json_encode_callback')); return mb_decode_numericentity(json_encode($arr), array (0x80, 0xffff, 0, 0xffff), 'UTF-8'); } private function alt_json_encode_callback (&$item, $key) { if (is_string($item)) $item = mb_encode_numericentity($item, array (0x80, 0xffff, 0, 0xffff), 'UTF-8'); } } $a= Test::testFunction(array('1','1')); var_dump($a);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.70.0060.00916.63
8.3.60.0180.00318.68
8.3.50.0130.00522.00
8.3.40.0070.00718.85
8.3.30.0100.00319.04
8.3.20.0080.00020.16
8.3.10.0050.00321.92
8.3.00.0050.00322.45
8.2.190.0070.01016.58
8.2.180.0150.00016.88
8.2.170.0030.01422.96
8.2.160.0110.00420.77
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00019.36
8.2.110.0000.00921.95
8.2.100.0090.00617.72
8.2.90.0080.00019.22
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0000.00918.04
8.2.50.0000.00818.07
8.2.40.0050.00318.00
8.2.30.0040.00418.06
8.2.20.0070.00017.54
8.2.10.0040.00417.75
8.2.00.0050.00319.48
8.1.280.0150.00325.92
8.1.270.0080.00022.05
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00623.83
8.1.230.0080.00319.21
8.1.220.0000.00917.74
8.1.210.0050.00318.77
8.1.200.0080.00317.35
8.1.190.0080.00017.41
8.1.180.0030.00618.58
8.1.170.0080.00018.53
8.1.160.0040.00422.00
8.1.150.0040.00418.43
8.1.140.0000.00717.28
8.1.130.0030.00517.77
8.1.120.0000.00717.31
8.1.110.0040.00417.36
8.1.100.0030.00317.23
8.1.90.0000.00817.39
8.1.80.0070.00017.38
8.1.70.0070.00017.34
8.1.60.0030.00517.43
8.1.50.0040.00417.38
8.1.40.0000.00817.46
8.1.30.0000.00817.58
8.1.20.0030.00617.50
8.1.10.0080.00017.42
8.1.00.0020.00517.47
8.0.300.0030.00618.77
8.0.290.0050.00317.16
8.0.280.0070.00018.26
8.0.270.0080.00017.08
8.0.260.0030.00316.79
8.0.250.0030.00317.01
8.0.240.0070.00016.93
8.0.230.0040.00416.95
8.0.220.0000.00716.95
8.0.210.0070.00016.88
8.0.200.0030.00316.84
8.0.190.0020.01016.96
8.0.180.0040.00416.93
8.0.170.0070.00016.93
8.0.160.0040.00416.84
8.0.150.0050.00316.92
8.0.140.0040.00416.76
8.0.130.0030.00313.34
8.0.120.0050.00316.90
8.0.110.0000.00816.80
8.0.100.0050.00316.89
8.0.90.0040.00416.90
8.0.80.0070.01016.88
8.0.70.0000.00716.97
8.0.60.0000.00716.92
8.0.50.0040.00416.89
8.0.30.0120.00717.09
8.0.20.0070.01217.40
8.0.10.0040.00417.07
8.0.00.0130.00616.56
7.4.330.0050.00015.02
7.4.320.0000.00616.50
7.4.300.0030.00516.55
7.4.290.0000.00716.58
7.4.280.0000.01016.55
7.4.270.0030.00616.68
7.4.260.0000.00816.54
7.4.250.0000.00716.54
7.4.240.0030.00416.62
7.4.230.0070.00016.71
7.4.220.0070.01316.59
7.4.210.0100.00516.53
7.4.200.0000.00716.58
7.4.190.0030.00516.45
7.4.160.0060.00916.38
7.4.150.0120.00617.40
7.4.140.0100.01217.86
7.4.130.0060.01116.60
7.4.120.0070.01316.50
7.4.110.0100.00716.46
7.4.100.0070.01016.72
7.4.90.0100.00716.47
7.4.80.0140.00919.39
7.4.70.0070.00916.29
7.4.60.0090.00916.41
7.4.50.0060.00016.38
7.4.40.0130.00022.77
7.4.30.0070.01116.25
7.4.00.0100.00715.06
7.3.330.0000.00613.36
7.3.320.0000.00613.45
7.3.310.0030.00516.23
7.3.300.0000.00716.23
7.3.290.0120.00316.27
7.3.280.0120.00616.35
7.3.270.0110.00617.40
7.3.260.0080.00916.23
7.3.250.0110.00716.52
7.3.240.0090.01416.23
7.3.230.0120.00616.39
7.3.210.0050.01316.33
7.3.200.0080.00819.39
7.3.190.0050.01316.36
7.3.180.0090.00616.53
7.3.170.0070.01016.27
7.3.160.0090.00616.36
7.3.120.0080.00814.77
7.3.110.0030.00914.68
7.3.100.0070.01014.53
7.3.90.0040.01114.83
7.3.80.0000.01514.57
7.3.70.0030.00614.74
7.3.60.0030.01314.68
7.3.50.0090.00414.70
7.3.40.0090.00014.74
7.3.30.0030.00914.39
7.3.20.0030.01016.43
7.3.10.0110.00716.45
7.3.00.0080.00816.63
7.2.330.0110.00716.66
7.2.320.0070.00916.75
7.2.310.0090.00616.51
7.2.300.0100.00716.73
7.2.290.0100.00616.49
7.2.250.0050.01415.02
7.2.240.0070.01414.80
7.2.230.0120.00414.85
7.2.220.0030.00615.08
7.2.210.0000.01515.17
7.2.200.0060.00914.90
7.2.190.0000.01014.91
7.2.180.0090.00315.10
7.2.170.0070.00714.88
7.2.60.0000.01416.85
7.2.00.0070.00719.01
7.1.330.0070.00715.98
7.1.320.0000.01115.98
7.1.310.0090.00315.91
7.1.300.0030.00615.61
7.1.290.0090.00615.82
7.1.280.0040.01115.84
7.1.270.0030.00715.52
7.1.260.0030.01215.72
7.1.200.0070.00715.46
7.1.100.0060.00617.90
7.1.70.0030.00617.15
7.1.60.0090.01519.82
7.1.50.0100.01316.93
7.1.00.0000.08022.31
7.0.200.0070.00316.86
7.0.140.0000.07322.08
7.0.110.0430.07319.95
7.0.100.0130.05020.01
7.0.90.0130.07719.93
7.0.80.0230.08319.87
7.0.70.0200.07319.90
7.0.60.0070.04319.61
7.0.50.0200.08019.95
7.0.40.0070.06019.64
7.0.30.0030.09019.69
7.0.20.0100.06319.82
7.0.10.0100.09019.82
7.0.00.0130.07319.59
5.6.280.0130.06320.79
5.6.260.0100.09020.51
5.6.250.0030.04720.56
5.6.240.0070.05320.67
5.6.230.0170.07320.58
5.6.220.0070.06320.56
5.6.210.0030.07320.57
5.6.200.0100.06020.61
5.6.190.0130.08720.66
5.6.180.0100.04720.66
5.6.170.0070.07720.66
5.6.160.0070.08720.61
5.6.150.0170.07720.57
5.6.140.0070.06020.65
5.6.130.0030.04320.64
5.6.120.0070.08320.51
5.6.110.0200.08020.63
5.6.100.0130.07720.40
5.6.90.0130.08020.52
5.6.80.0030.07019.95
5.6.70.0170.06020.02
5.6.60.0100.07019.87
5.6.50.0100.06319.89
5.6.40.0170.03719.88
5.6.30.0130.04019.91
5.6.20.0130.06719.90
5.6.10.0000.04320.13
5.6.00.0030.07319.98
5.5.380.0100.08020.37
5.5.370.0130.07320.49
5.5.360.0000.07020.50
5.5.350.0070.05320.34
5.5.340.0070.05320.94
5.5.330.0070.09020.77
5.5.320.0100.06720.99
5.5.310.0030.07020.99
5.5.300.0130.04720.90
5.5.290.0030.05320.92
5.5.280.0130.07720.96
5.5.270.0070.04720.76
5.5.260.0170.08020.72
5.5.250.0100.06720.53
5.5.240.0100.07020.20
5.5.230.0100.07720.23
5.5.220.0070.08720.13
5.5.210.0030.06320.29
5.5.200.0030.08020.27
5.5.190.0000.04720.27
5.5.180.0070.05020.34
5.5.160.0170.07020.10
5.5.150.0030.05320.31
5.5.140.0100.07020.20
5.5.130.0100.05720.19
5.5.120.0070.04720.34
5.5.110.0070.05320.31
5.5.100.0130.07720.11
5.5.90.0100.03720.06
5.5.80.0070.06320.07
5.5.70.0070.04019.98
5.5.60.0030.04020.20
5.5.50.0030.04320.09
5.5.40.0000.07319.94
5.5.30.0030.07720.08
5.5.20.0000.06320.01
5.5.10.0070.06019.97
5.5.00.0130.07020.11
5.4.450.0070.07019.55
5.4.440.0000.07719.66
5.4.430.0100.08019.48
5.4.420.0100.08019.32
5.4.410.0130.04019.17
5.4.400.0100.07019.14
5.4.390.0100.08319.05
5.4.380.0200.04719.00
5.4.370.0030.04019.14
5.4.360.0070.07019.01
5.4.350.0100.07319.18
5.4.340.0100.04719.21
5.4.320.0070.07719.01
5.4.310.0170.06318.98
5.4.300.0130.06719.02
5.4.290.0100.07319.18
5.4.280.0070.07319.18
5.4.270.0070.04318.99
5.4.260.0130.04019.14
5.4.250.0170.02718.94
5.4.240.0070.04018.98
5.4.230.0030.04718.96
5.4.220.0030.08719.00
5.4.210.0070.03719.18
5.4.200.0200.05719.26
5.4.190.0100.06018.97
5.4.180.0130.07018.98
5.4.170.0030.05318.99
5.4.160.0100.07318.96
5.4.150.0070.06718.98
5.4.140.0030.07716.43
5.4.130.0100.05016.52
5.4.120.0000.04316.34
5.4.110.0030.04316.31
5.4.100.0030.07716.44
5.4.90.0100.05016.41
5.4.80.0000.08316.45
5.4.70.0100.07016.42
5.4.60.0100.04016.24
5.4.50.0030.06016.52
5.4.40.0130.06316.35
5.4.30.0070.05316.54
5.4.20.0130.07016.39
5.4.10.0130.07316.63
5.4.00.0070.05315.78
5.3.290.0070.06714.70
5.3.280.0070.08014.47
5.3.270.0130.04014.63
5.3.260.0000.07714.46
5.3.250.0030.07314.59
5.3.240.0000.08014.70
5.3.230.0100.06014.62
5.3.220.0030.05014.56
5.3.210.0070.03314.57
5.3.200.0000.04314.55
5.3.190.0200.05014.43
5.3.180.0100.07314.56
5.3.170.0170.07014.60
5.3.160.0030.06314.60
5.3.150.0070.05714.56
5.3.140.0070.07014.70
5.3.130.0100.07314.56
5.3.120.0100.06314.78
5.3.110.0030.04714.55
5.3.100.0100.06714.27
5.3.90.0070.03714.11
5.3.80.0070.05314.16
5.3.70.0100.03314.04
5.3.60.0100.03014.15
5.3.50.0030.07313.96
5.3.40.0100.04013.95
5.3.30.0070.07713.93
5.3.20.0070.05313.55
5.3.10.0030.07013.88
5.3.00.0070.04013.79
5.2.170.0070.05712.06
5.2.160.0000.03712.06
5.2.150.0070.05012.06
5.2.140.0070.04312.06
5.2.130.0100.03712.06
5.2.120.0070.03312.06
5.2.110.0030.04312.06
5.2.100.0030.05012.06
5.2.90.0000.03712.06
5.2.80.0030.05712.06
5.2.70.0030.05712.06
5.2.60.0000.06312.06
5.2.50.0030.03712.06
5.2.40.0070.06012.06
5.2.30.0070.06012.06
5.2.20.0030.05312.06
5.2.10.0030.04012.06
5.2.00.0100.05312.06
5.1.60.0030.05312.06
5.1.50.0000.03312.06
5.1.40.0070.05012.06
5.1.30.0100.04312.06
5.1.20.0100.03012.06
5.1.10.0030.05312.06
5.1.00.0070.04312.06
5.0.50.0070.02312.06
5.0.40.0000.02312.06
5.0.30.0030.03312.06
5.0.20.0000.03012.06
5.0.10.0030.02312.06
5.0.00.0000.05712.06
4.4.90.0000.03712.06
4.4.80.0030.03012.06
4.4.70.0000.02012.06
4.4.60.0030.01712.06
4.4.50.0000.02712.06
4.4.40.0000.04712.06
4.4.30.0030.02012.06
4.4.20.0030.02312.06
4.4.10.0030.03012.06
4.4.00.0030.02712.06
4.3.110.0000.02012.06
4.3.100.0000.03312.06
4.3.90.0000.02712.06
4.3.80.0030.05012.06
4.3.70.0000.02312.06
4.3.60.0030.02312.06
4.3.50.0000.04012.06
4.3.40.0000.03312.06
4.3.30.0000.01712.06
4.3.20.0070.02312.06
4.3.10.0000.02012.06
4.3.00.0030.01712.06

preferences:
56.55 ms | 401 KiB | 5 Q