3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = array(); $test['eval_none'] = ''; $test['eval_zero'] = 0; $test['eval_null'] = null; $test['eval_false'] = false; $test['eval_true'] = true; var_dump('NONE-EXISTENT'); if (isset($test['eval_nonexixtent'])) var_dump('None-existent is set.'); if (!isset($test['eval_nonexixtent'])) var_dump('None-existent is not set.'); if (empty($test['eval_nonexixtent'])) var_dump('None-existent is empty.'); if (!empty($test['eval_nonexixtent'])) var_dump('None-existent is not empty.'); var_dump('-------------'); var_dump('NONE'); if (isset($test['eval_none'])) var_dump('None is set.'); if (!isset($test['eval_none'])) var_dump('None is not set.'); if (empty($test['eval_none'])) var_dump('None is empty.'); if (!empty($test['eval_none'])) var_dump('None is not empty.'); var_dump('-------------'); var_dump('ZERO'); if (isset($test['eval_zero'])) var_dump('Zero is set.'); if (!isset($test['eval_zero'])) var_dump('Zero is not set.'); if (empty($test['eval_zero'])) var_dump('Zero is empty.'); if (!empty($test['eval_zero'])) var_dump('Zero is not empty.'); var_dump('-------------'); var_dump('NULL'); if (isset($test['eval_null'])) var_dump('Null is set.'); if (!isset($test['eval_null'])) var_dump('Null is not set.'); if (empty($test['eval_null'])) var_dump('Null is empty.'); if (!empty($test['eval_null'])) var_dump('Null is not empty.'); var_dump('-------------'); var_dump('FALSE'); if (isset($test['eval_false'])) var_dump('False is set.'); if (!isset($test['eval_false'])) var_dump('False is not set.'); if (empty($test['eval_false'])) var_dump('False is empty.'); if (!empty($test['eval_false'])) var_dump('False is not empty.'); var_dump('-------------'); var_dump('TRUE'); if (isset($test['eval_true'])) var_dump('True is set.'); if (!isset($test['eval_true'])) var_dump('True is not set.'); if (empty($test['eval_true'])) var_dump('True is empty.'); if (!empty($test['eval_true'])) var_dump('True is not empty.'); var_dump('-------------');

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)
8.3.60.0070.00716.63
8.3.50.0300.00522.05
8.3.40.0040.01118.55
8.3.30.0150.00619.13
8.3.20.0080.00020.14
8.3.10.0040.00421.60
8.3.00.0040.00419.17
8.2.180.0040.01516.50
8.2.170.0120.00422.96
8.2.160.0070.00720.32
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0050.00319.48
8.2.110.0090.00020.43
8.2.100.0090.00319.36
8.2.90.0040.00419.17
8.2.80.0080.00017.97
8.2.70.0120.00017.63
8.2.60.0030.00917.80
8.2.50.0000.00818.07
8.2.40.0000.00820.01
8.2.30.0080.00018.05
8.2.20.0040.00417.70
8.2.10.0080.00018.11
8.2.00.0050.00217.80
8.1.280.0040.01125.92
8.1.270.0080.00020.45
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0140.00722.74
8.1.230.0030.00917.78
8.1.220.0030.00517.74
8.1.210.0080.00318.77
8.1.200.0030.00717.38
8.1.190.0080.00017.48
8.1.180.0040.00418.10
8.1.170.0000.00820.30
8.1.160.0070.00022.07
8.1.150.0000.00718.83
8.1.140.0030.00517.43
8.1.130.0030.00317.93
8.1.120.0000.00717.53
8.1.110.0040.00417.54
8.1.100.0030.00517.40
8.1.90.0040.00417.52
8.1.80.0000.00817.55
8.1.70.0050.00317.38
8.1.60.0030.00617.55
8.1.50.0030.00517.60
8.1.40.0060.00317.44
8.1.30.0000.00817.76
8.1.20.0000.00917.68
8.1.10.0080.00017.54
8.1.00.0030.00517.39
8.0.300.0050.00218.77
8.0.290.0060.00316.88
8.0.280.0000.00818.36
8.0.270.0000.00717.29
8.0.260.0080.00017.27
8.0.250.0000.00817.01
8.0.240.0030.00317.04
8.0.230.0080.00016.90
8.0.220.0030.00316.86
8.0.210.0000.00716.83
8.0.200.0000.00817.04
8.0.190.0020.00517.05
8.0.180.0030.00517.03
8.0.170.0000.00816.87
8.0.160.0030.00616.95
8.0.150.0000.00716.97
8.0.140.0000.00716.94
8.0.130.0060.00013.35
8.0.120.0040.00416.83
8.0.110.0000.00716.93
8.0.100.0080.00016.98
8.0.90.0040.00417.07
8.0.80.0090.01616.91
8.0.70.0080.00016.91
8.0.60.0050.00316.79
8.0.50.0070.00016.83
8.0.30.0140.00716.91
8.0.20.0190.00817.40
8.0.10.0000.00717.10
8.0.00.0150.01016.88
7.4.330.0000.00515.09
7.4.320.0000.00616.56
7.4.300.0030.00316.58
7.4.290.0060.00316.65
7.4.280.0070.00316.55
7.4.270.0070.00016.59
7.4.260.0030.00316.54
7.4.250.0000.00716.54
7.4.240.0000.00716.62
7.4.230.0030.00316.59
7.4.220.0030.01516.41
7.4.210.0060.01116.61
7.4.200.0030.00316.71
7.4.160.0100.00716.65
7.4.150.0060.01217.40
7.4.140.0080.01117.86
7.4.130.0090.00916.60
7.4.120.0080.00916.62
7.4.110.0190.00616.40
7.4.100.0090.01316.64
7.4.90.0120.00916.46
7.4.80.0130.00719.39
7.4.70.0070.01016.57
7.4.60.0090.00816.67
7.4.50.0040.00416.38
7.4.40.0120.01216.70
7.4.30.0060.01516.54
7.4.00.0030.01314.75
7.3.330.0030.00313.09
7.3.320.0140.00013.27
7.3.310.0000.00716.16
7.3.300.0030.00316.41
7.3.290.0030.00316.32
7.3.280.0050.01116.32
7.3.270.0080.00817.40
7.3.260.0070.01116.66
7.3.250.0090.00916.57
7.3.240.0150.00316.29
7.3.230.0040.01516.39
7.3.210.0070.01116.23
7.3.200.0070.01419.39
7.3.190.0100.00716.50
7.3.180.0160.00816.45
7.3.170.0090.00616.39
7.3.160.0030.01516.15
7.2.330.0040.01416.66
7.2.320.0060.01316.37
7.2.310.0040.01416.56
7.2.300.0100.00916.68
7.2.290.0080.01616.74
7.2.60.0030.01116.96
7.2.00.0280.01319.17
7.1.200.0090.00315.73
7.1.100.0130.01017.72
7.1.70.0000.00917.16
7.1.60.0070.00716.82
7.1.50.0170.00716.90
7.1.00.0030.07722.36
7.0.200.0090.00616.61
7.0.140.0070.04322.07
7.0.60.0070.03719.85
7.0.50.0030.04017.80
7.0.40.0100.06320.24
7.0.30.0500.07020.13
7.0.20.0400.07020.00
7.0.10.0000.09020.05
7.0.00.0070.04020.29
5.6.280.0030.07321.11
5.6.210.0130.07720.70
5.6.200.0030.04318.21
5.6.190.0030.04320.56
5.6.180.0300.03720.33
5.6.170.0400.07020.52
5.6.160.0070.05320.41
5.6.150.0070.04718.22
5.6.140.0130.07018.07
5.6.130.0000.06318.12
5.6.120.0070.04021.00
5.6.110.0070.03721.00
5.6.100.0030.09021.05
5.6.90.0070.08320.98
5.6.80.0070.08320.52
5.6.70.3730.03720.39
5.5.350.0070.06720.41
5.5.340.0170.02717.98
5.5.330.0030.04320.36
5.5.320.0330.08020.24
5.5.310.0330.06320.30
5.5.300.0070.07718.00
5.5.290.0100.07717.95
5.5.280.0070.06020.89
5.5.270.0170.05720.79
5.5.260.0070.05320.96
5.5.250.0100.07320.60
5.5.240.0230.06320.29
5.4.450.0300.05719.47
5.4.440.0830.06319.50
5.4.430.0430.05319.61
5.4.420.0900.06019.61
5.4.410.0030.06319.02
5.4.400.0400.06318.75
5.4.390.0400.05318.52
5.4.380.0400.05718.52
5.4.370.0430.05018.64
5.4.360.0370.05318.77
5.4.350.0330.06318.69
5.4.340.0300.06318.78
5.4.320.0370.05318.48
5.4.310.0270.06018.72
5.4.300.0370.06018.51
5.4.290.0430.05318.59
5.4.280.0600.07018.69
5.4.270.0400.05318.79
5.4.260.0300.06018.73
5.4.250.0300.06718.67
5.4.240.0430.05018.58
5.4.230.0300.06018.68
5.4.220.0400.05718.73
5.4.210.0370.05318.71
5.4.200.0330.05016.66
5.4.190.0470.04718.50
5.4.180.0370.05018.65
5.4.170.0400.05318.52
5.4.160.0370.05718.71
5.4.150.0330.05318.67
5.4.140.0270.06016.28
5.4.130.0500.06016.22
5.4.120.0330.05316.35
5.4.110.0330.05316.32
5.4.100.0330.05316.24
5.4.90.0370.06316.32
5.4.80.0200.06716.24
5.4.70.0430.05716.14
5.4.60.0270.06016.22
5.4.50.0400.04316.19
5.4.40.0400.06016.14
5.4.30.0430.04716.15
5.4.20.0430.06316.29
5.4.10.0470.05016.03
5.4.00.0400.06315.52
5.3.290.0300.06014.69
5.3.280.0400.06714.61
5.3.270.0400.06014.59
5.3.260.0530.05714.73
5.3.250.0370.07314.68
5.3.240.0430.06714.59
5.3.230.0530.04314.71
5.3.220.0570.09714.50
5.3.210.0470.06014.68
5.3.200.0330.06714.48
5.3.190.0470.05314.48
5.3.180.0400.04714.56
5.3.170.0470.04714.55
5.3.160.0370.05714.66
5.3.150.0400.05014.53
5.3.140.0330.06314.57
5.3.130.0400.05714.52
5.3.120.0200.07314.48
5.3.110.0330.06714.50
5.3.100.0500.05714.15
5.3.90.0470.06714.07
5.3.80.0330.07313.96
5.3.70.0370.05313.99
5.3.60.0430.05014.12
5.3.50.0400.06013.88
5.3.40.0570.05013.92
5.3.30.0400.05313.84
5.3.20.0400.06713.79
5.3.10.0370.05013.65
5.3.00.0330.07013.64
5.2.170.0430.04711.12
5.2.160.0300.04011.31
5.2.150.0370.04011.20
5.2.140.0300.04311.10
5.2.130.0430.03711.26
5.2.120.0330.05711.16
5.2.110.0430.03311.26
5.2.100.0300.05011.16
5.2.90.0400.04711.11
5.2.80.0330.04011.04
5.2.70.0230.05311.12
5.2.60.0270.05011.04
5.2.50.0400.05010.99
5.2.40.0200.04711.16
5.2.30.0270.03710.96
5.2.20.0170.04310.89
5.2.10.0200.04310.92
5.2.00.0230.04310.83
5.1.60.0270.05010.02
5.1.50.0200.04010.12
5.1.40.0200.04010.07
5.1.30.0230.03710.33
5.1.20.0200.04010.53
5.1.10.0200.03710.08
5.1.00.0170.04310.07
5.0.50.0170.0308.63
5.0.40.0130.0308.55
5.0.30.0100.0538.27
5.0.20.0100.0378.35
5.0.10.0170.0308.40
5.0.00.0170.0408.27
4.4.90.0170.0235.90
4.4.80.0070.0275.91
4.4.70.0130.0205.95
4.4.60.0100.0235.95
4.4.50.0130.0235.94
4.4.40.0070.0405.93
4.4.30.0170.0205.90
4.4.20.0200.0305.98
4.4.10.0100.0276.00
4.4.00.0170.0405.88
4.3.110.0130.0205.80
4.3.100.0070.0275.83
4.3.90.0130.0205.82
4.3.80.0170.0305.81
4.3.70.0130.0205.80
4.3.60.0070.0305.82
4.3.50.0130.0205.85
4.3.40.0130.0305.78
4.3.30.0130.0235.58
4.3.20.0070.0305.58
4.3.10.0070.0235.58
4.3.00.0070.0206.80

preferences:
52.94 ms | 401 KiB | 5 Q