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_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($test['eval_none'])) var_dump('None is not empty.'); if (isset($test['eval_zero'])) var_dump('Zero is set.'); if (!isset($test['eval_zero'])) var_dump('Zero is set.'); if (empty($test['eval_zero'])) var_dump('Zero is not empty.'); if (!empty($test['eval_zero'])) var_dump('None is not empty.'); var_dump('-------------'); var_dump('NULL'); if (isset($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($test['eval_none'])) var_dump('None is not empty.'); if (isset($test['eval_null'])) var_dump('NULL is set.'); if (!isset($test['eval_null'])) var_dump('Zero is set.'); if (empty($test['eval_null'])) var_dump('NULL is not empty.'); if (!empty($test['eval_null'])) var_dump('None is not empty.'); var_dump('-------------'); var_dump('FALSE'); if (isset($test['eval_false'])) var_dump('False is set.'); if (!isset($test['eval_false'])) var_dump('Zero is set.'); if (empty($test['eval_false'])) var_dump('False is not empty.'); if (!empty($test['eval_false'])) var_dump('None is not empty.'); var_dump('-------------'); var_dump('TRUE'); if (isset($test['eval_true'])) var_dump('True is set.'); if (!isset($test['eval_true'])) var_dump('True is set.'); if (empty($test['eval_true'])) var_dump('True is not empty.'); if (!empty($test['eval_true'])) var_dump('None 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)
8.3.60.0000.01416.63
8.3.50.0150.00722.04
8.3.40.0070.00718.82
8.3.30.0110.00419.19
8.3.20.0050.00320.34
8.3.10.0080.00021.91
8.3.00.0090.00019.25
8.2.180.0150.00316.88
8.2.170.0150.00322.96
8.2.160.0110.00420.65
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00019.48
8.2.110.0030.00620.47
8.2.100.0060.00617.85
8.2.90.0060.00318.28
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0000.00918.03
8.2.50.0000.00818.07
8.2.40.0000.00820.00
8.2.30.0040.00418.11
8.2.20.0040.00417.88
8.2.10.0040.00418.25
8.2.00.0040.00417.71
8.1.280.0040.01125.92
8.1.270.0080.00020.45
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0060.00322.17
8.1.230.0080.00420.91
8.1.220.0000.00817.88
8.1.210.0000.00818.85
8.1.200.0060.00317.48
8.1.190.0040.00417.35
8.1.180.0080.00018.10
8.1.170.0040.00420.30
8.1.160.0000.00822.01
8.1.150.0000.00718.89
8.1.140.0020.00517.53
8.1.130.0000.00717.84
8.1.120.0070.00017.44
8.1.110.0030.00517.43
8.1.100.0000.00717.46
8.1.90.0070.00017.43
8.1.80.0050.00217.51
8.1.70.0050.00217.42
8.1.60.0090.00017.70
8.1.50.0050.00317.60
8.1.40.0000.00817.63
8.1.30.0000.00817.73
8.1.20.0040.00417.72
8.1.10.0000.00817.46
8.1.00.0000.00817.54
8.0.300.0080.00020.29
8.0.290.0000.00816.75
8.0.280.0000.00718.52
8.0.270.0030.00317.26
8.0.260.0030.00517.36
8.0.250.0030.00316.93
8.0.240.0030.00317.02
8.0.230.0030.00517.07
8.0.220.0000.00716.98
8.0.210.0000.00716.87
8.0.200.0060.00017.07
8.0.190.0000.00916.98
8.0.180.0040.00416.88
8.0.170.0060.00316.99
8.0.160.0040.00417.00
8.0.150.0040.00416.91
8.0.140.0030.00516.89
8.0.130.0060.00013.40
8.0.120.0060.00316.90
8.0.110.0000.00716.93
8.0.100.0070.00016.84
8.0.90.0000.00816.84
8.0.80.0090.01217.01
8.0.70.0040.00416.92
8.0.60.0070.00016.95
8.0.50.0000.00716.84
8.0.30.0140.00917.16
8.0.20.0100.01017.40
8.0.10.0070.00016.95
8.0.00.0190.00716.78
7.4.330.0030.00315.10
7.4.320.0030.00316.53
7.4.300.0060.00016.57
7.4.290.0060.00316.64
7.4.280.0030.00616.49
7.4.270.0040.00416.64
7.4.260.0030.00316.51
7.4.250.0000.00716.48
7.4.240.0000.00716.57
7.4.230.0030.00316.48
7.4.220.0070.01216.72
7.4.210.0070.00716.70
7.4.200.0070.00016.61
7.4.160.0100.00716.64
7.4.150.0120.00617.40
7.4.140.0100.01317.86
7.4.130.0110.00716.58
7.4.120.0120.00616.44
7.4.110.0180.00616.72
7.4.100.0070.01116.43
7.4.90.0120.00616.48
7.4.80.0150.00619.39
7.4.70.0100.00716.59
7.4.60.0120.00616.46
7.4.50.0090.00016.27
7.4.40.0060.01216.47
7.4.30.0140.00416.57
7.4.00.0060.00614.99
7.3.330.0030.00313.10
7.3.320.0160.00013.05
7.3.310.0040.00416.19
7.3.300.0030.00316.41
7.3.290.0000.00716.35
7.3.280.0070.00916.35
7.3.270.0100.00717.40
7.3.260.0120.00916.33
7.3.250.0100.01316.50
7.3.240.0000.01816.32
7.3.230.0110.00816.39
7.3.210.0180.00016.38
7.3.200.0110.00819.39
7.3.190.0180.00016.57
7.3.180.0070.01116.40
7.3.170.0030.01316.40
7.3.160.0080.00816.32
7.3.10.0040.00416.58
7.3.00.0030.00616.38
7.2.330.0060.01316.35
7.2.320.0120.00916.72
7.2.310.0150.00316.71
7.2.300.0060.01216.46
7.2.290.0090.00916.85
7.2.130.0150.00316.55
7.2.120.0110.00316.54
7.2.110.0090.00616.54
7.2.100.0040.01116.83
7.2.90.0060.00916.98
7.2.80.0030.01016.75
7.2.70.0000.00916.74
7.2.60.0090.00616.64
7.2.50.0040.00716.76
7.2.40.0030.01016.61
7.2.30.0060.00316.71
7.2.20.0090.00316.89
7.2.10.0060.00616.44
7.2.00.0230.00717.80
7.1.250.0100.00315.84
7.1.100.0070.01018.11
7.1.70.0090.00317.29
7.1.60.0000.01519.50
7.1.50.0060.01916.56
7.1.00.0100.07022.45
7.0.200.0060.00614.85
7.0.140.0100.04321.91
7.0.60.0100.07019.90
7.0.50.0070.06717.79
7.0.40.0070.04020.04
7.0.30.0300.08320.17
7.0.20.0270.05020.21
7.0.10.0370.06720.09
7.0.00.0030.04720.32
5.6.280.0000.07720.93
5.6.210.0070.08320.55
5.6.200.0130.08018.08
5.6.190.0000.06320.41
5.6.180.0330.07720.63
5.6.170.0500.07320.41
5.6.160.0000.04320.40
5.6.150.0030.04318.21
5.6.140.0000.05018.18
5.6.130.0070.04318.18
5.6.120.0000.05720.98
5.6.110.0100.07721.00
5.6.100.0070.06020.98
5.6.90.0100.07720.95
5.6.80.0030.05020.49
5.6.70.0170.03320.51
5.5.350.0230.03720.36
5.5.340.0200.06718.02
5.5.330.0000.08020.13
5.5.320.0000.07020.25
5.5.310.0300.07720.34
5.5.300.0070.06018.00
5.5.290.0070.03718.01
5.5.280.0070.08720.79
5.5.270.0100.03720.68
5.5.260.0070.07320.77
5.5.250.0030.04320.63
5.5.240.0030.08020.05
5.4.450.0330.05019.47
5.4.440.0830.06319.53
5.4.430.0730.06319.09
5.4.420.1070.05319.61
5.4.410.0100.05718.96
5.4.400.0400.07718.49
5.4.390.0730.04718.65
5.4.380.0330.06018.71
5.4.370.0470.06718.64
5.4.360.0400.06018.59
5.4.350.0400.05718.54
5.4.340.0370.06318.70
5.4.320.0400.07318.67
5.4.310.0370.07718.56
5.4.300.0500.05018.71
5.4.290.0670.05018.61
5.4.280.0470.04718.56
5.4.270.0470.05018.68
5.4.260.0330.06018.60
5.4.250.0470.07318.48
5.4.240.0470.07318.70
5.4.230.0400.05718.50
5.4.220.0500.05318.66
5.4.210.0530.04318.50
5.4.200.0500.05716.65
5.4.190.0370.06018.65
5.4.180.0330.06318.52
5.4.170.0470.05018.63
5.4.160.0400.07718.66
5.4.150.0570.05318.65
5.4.140.0470.05716.05
5.4.130.0330.05316.09
5.4.120.0300.06316.08
5.4.110.0370.05716.06
5.4.100.0470.05016.23
5.4.90.0370.06316.29
5.4.80.0300.07016.25
5.4.70.0430.05716.07
5.4.60.0300.05316.14
5.4.50.0530.05316.07
5.4.40.0430.04716.33
5.4.30.0330.05316.05
5.4.20.0330.06316.20
5.4.10.0230.06016.02
5.4.00.0330.05015.64
5.3.290.0400.05314.79
5.3.280.0430.05714.71
5.3.270.0600.06014.63
5.3.260.0400.06314.58
5.3.250.0270.06314.71
5.3.240.0430.06314.62
5.3.230.0430.04714.54
5.3.220.0430.05314.59
5.3.210.0300.06314.49
5.3.200.0470.07014.67
5.3.190.0570.05314.54
5.3.180.0430.05014.68
5.3.170.0330.05014.66
5.3.160.0270.05714.58
5.3.150.0730.06014.54
5.3.140.0500.07314.55
5.3.130.0670.06714.54
5.3.120.0630.05714.58
5.3.110.0330.06314.50
5.3.100.0370.05714.07
5.3.90.0370.07014.02
5.3.80.0370.05714.03
5.3.70.0430.06314.14
5.3.60.0500.05014.00
5.3.50.0370.04713.93
5.3.40.0370.06013.96
5.3.30.0330.04713.89
5.3.20.0430.05713.62
5.3.10.0430.05713.61
5.3.00.0330.06713.66
5.2.170.0270.05011.15
5.2.160.0300.05711.09
5.2.150.0300.04311.15
5.2.140.0370.04011.18
5.2.130.0400.05011.12
5.2.120.0430.04311.19
5.2.110.0230.05011.01
5.2.100.0300.05011.14
5.2.90.0400.03711.14
5.2.80.0200.05711.05
5.2.70.0300.05711.14
5.2.60.0230.05011.21
5.2.50.0230.05010.98
5.2.40.0300.05711.16
5.2.30.0370.03311.06
5.2.20.0270.04011.04
5.2.10.0270.04010.86
5.2.00.0230.04310.76
5.1.60.0230.03710.14
5.1.50.0300.0509.98
5.1.40.0300.04710.08
5.1.30.0330.04310.47
5.1.20.0230.04310.45
5.1.10.0270.03710.17
5.1.00.0270.04010.22
5.0.50.0100.0338.64
5.0.40.0170.0378.46
5.0.30.0170.0438.36
5.0.20.0170.0308.43
5.0.10.0170.0308.30
5.0.00.0130.0508.23
4.4.90.0200.0175.95
4.4.80.0170.0275.95
4.4.70.0170.0235.95
4.4.60.0130.0275.91
4.4.50.0170.0275.87
4.4.40.0100.0505.93
4.4.30.0070.0305.91
4.4.20.0130.0306.00
4.4.10.0100.0236.00
4.4.00.0100.0375.96
4.3.110.0070.0305.83
4.3.100.0230.0175.86
4.3.90.0130.0235.86
4.3.80.0100.0435.86
4.3.70.0170.0235.91
4.3.60.0170.0275.83
4.3.50.0170.0275.82
4.3.40.0130.0375.80
4.3.30.0070.0235.58
4.3.20.0070.0275.58
4.3.10.0170.0175.58
4.3.00.0070.0236.95

preferences:
53.89 ms | 401 KiB | 5 Q