3v4l.org

run code in 300+ PHP versions simultaneously
<?php function isDiff($old, $new) { if ($old === null || is_string($old) && ($new === null || is_bool($new) || is_numeric($new)) && strcmp($old, $new) === 0) { return false; } return true; } var_dump(isDiff("05", 5)); var_dump(isDiff(5, 5.0)); var_dump(isDiff(true, 1));

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)
8.3.40.0070.00718.71
8.3.30.0040.01118.59
8.3.20.0000.00818.64
8.3.10.0050.00320.39
8.3.00.0030.00619.25
8.2.170.0030.01722.96
8.2.160.0070.00720.93
8.2.150.0120.00324.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00419.85
8.2.110.0100.00021.18
8.2.100.0040.00817.78
8.2.90.0060.00319.17
8.2.80.0040.00417.80
8.2.70.0060.00317.38
8.2.60.0030.00617.68
8.2.50.0090.00018.07
8.2.40.0040.00417.97
8.2.30.0030.00618.07
8.2.20.0070.00017.66
8.2.10.0040.00417.68
8.2.00.0080.00017.50
8.1.270.0040.00424.66
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0000.00920.70
8.1.230.0050.00520.88
8.1.220.0000.00817.74
8.1.210.0030.00618.91
8.1.200.0030.00617.25
8.1.190.0070.00017.51
8.1.180.0030.00518.10
8.1.170.0030.00618.91
8.1.160.0030.00518.82
8.1.150.0040.00418.50
8.1.140.0060.00317.48
8.1.130.0000.00717.69
8.1.120.0040.00417.31
8.1.110.0080.00017.31
8.1.100.0000.00817.41
8.1.90.0070.00017.44
8.1.80.0040.00417.29
8.1.70.0000.00717.30
8.1.60.0050.00317.54
8.1.50.0030.00617.47
8.1.40.0000.00717.50
8.1.30.0030.00617.52
8.1.20.0060.00317.62
8.1.10.0000.00717.45
8.1.00.0030.00617.39
8.0.300.0000.00719.96
8.0.290.0000.00716.63
8.0.280.0000.00718.31
8.0.270.0000.00717.07
8.0.260.0040.00416.76
8.0.250.0080.00016.91
8.0.240.0000.00716.96
8.0.230.0070.00016.78
8.0.220.0000.00716.89
8.0.210.0030.00316.68
8.0.200.0060.00016.86
8.0.190.0030.00316.75
8.0.180.0070.00016.90
8.0.170.0040.00416.84
8.0.160.0030.00516.85
8.0.150.0040.00416.77
8.0.140.0000.01116.76
8.0.130.0000.00513.25
8.0.120.0040.00416.75
8.0.110.0000.00916.85
8.0.100.0070.00016.89
8.0.90.0070.00016.82
8.0.80.0160.00016.77
8.0.70.0000.00816.71
8.0.60.0040.00416.82
8.0.50.0050.00316.80
8.0.30.0140.00817.14
8.0.20.0060.01417.09
8.0.10.0040.00417.00
8.0.00.0090.01116.81
7.4.330.0000.00512.85
7.4.320.0030.00316.54
7.4.300.0000.00616.36
7.4.290.0070.00316.59
7.4.280.0060.00316.55
7.4.270.0070.00016.48
7.4.260.0000.00513.15
7.4.250.0040.00416.36
7.4.240.0040.00416.52
7.4.230.0070.00016.54
7.4.220.0100.01316.51
7.4.210.0070.00816.55
7.4.200.0070.00016.65
7.4.190.0040.00416.58
7.4.160.0000.01416.16
7.4.150.0100.01016.54
7.4.140.0070.01116.38
7.4.130.0080.01016.53
7.4.120.0050.01216.44
7.4.110.0080.00916.57
7.4.100.0070.01016.44
7.4.90.0120.00616.59
7.4.80.0090.00619.03
7.4.70.0080.01216.34
7.4.60.0130.00916.49
7.4.50.0110.00816.37
7.4.40.0130.00916.38
7.4.30.0180.01416.29
7.4.20.0220.00916.39
7.4.10.0210.00316.36
7.4.00.0070.00915.96
7.3.330.0030.00313.16
7.3.320.0000.00513.27
7.3.310.0070.00016.40
7.3.300.0030.00316.23
7.3.290.0110.01016.32
7.3.280.0100.00916.29
7.3.270.0060.01216.68
7.3.260.0100.01116.45
7.3.250.0080.01216.39
7.3.240.0040.01516.42
7.3.230.0030.01316.34
7.3.210.0150.00316.23
7.3.200.0000.01619.39
7.3.190.0130.00316.55
7.3.180.0160.00816.40
7.3.170.0220.00916.57
7.3.160.0200.01416.38
7.3.150.0220.00816.51
7.3.140.0190.00916.36
7.3.130.0200.00416.36
7.3.120.0080.00815.34
7.3.110.0230.00016.15
7.3.100.0190.00315.95
7.3.90.0220.00316.53
7.3.80.0210.00716.49
7.3.70.0130.01316.23
7.3.60.0180.00316.24
7.3.50.0150.00616.27
7.3.40.0160.00315.77
7.3.30.0120.01616.44
7.3.20.0270.00818.20
7.3.10.0200.00818.22
7.3.00.0240.00618.25
7.2.330.0090.01216.73
7.2.320.0100.01016.55
7.2.310.0240.00416.60
7.2.300.0220.01116.66
7.2.290.0220.01016.73
7.2.280.0160.01316.61
7.2.270.0290.00016.41
7.2.260.0190.00516.43
7.2.250.0080.01416.27
7.2.240.0150.00616.25
7.2.230.0230.00816.38
7.2.220.0190.00816.44
7.2.210.0150.01216.20
7.2.200.0110.01516.04
7.2.190.0120.01016.28
7.2.180.0160.00516.33
7.2.170.0080.01216.20
7.2.160.0150.01416.63
7.2.150.0210.00918.53
7.2.140.0170.01018.37
7.2.130.0260.00318.50
7.2.120.0220.00618.39
7.2.110.0280.01318.34
7.2.100.0190.01118.41
7.2.90.0190.01118.32
7.2.80.0190.01918.32
7.2.70.0230.00618.18
7.2.60.0130.01318.34
7.2.50.0140.00717.79
7.2.40.0180.00417.84
7.2.30.0110.01117.75
7.2.20.0160.00617.71
7.2.10.0180.00417.75
7.2.00.0090.00718.66
7.1.330.0240.00717.51
7.1.320.0150.01217.49
7.1.310.0150.00317.77
7.1.300.0040.01517.29
7.1.290.0140.00717.14
7.1.280.0210.00417.27
7.1.270.0240.00417.23
7.1.260.0220.00417.41
7.1.250.0210.00717.32
7.1.240.0240.00317.38
7.1.230.0210.00717.41
7.1.220.0170.01417.49
7.1.210.0210.00717.51
7.1.200.0140.00716.66
7.1.190.0180.00917.48
7.1.180.0240.00317.34
7.1.170.0250.00417.34
7.1.160.0180.00917.45
7.1.150.0160.01117.32
7.1.140.0190.00817.40
7.1.130.0180.00917.43
7.1.120.0220.00617.29
7.1.110.0230.00317.40
7.1.100.0130.01017.91
7.1.90.0180.00717.20
7.1.80.0180.00917.41
7.1.70.0140.00317.35
7.1.60.0120.01418.41
7.1.50.0130.01217.24
7.1.40.0190.00817.30
7.1.30.0210.00417.30
7.1.20.0120.01517.37
7.1.10.0230.00617.28
7.1.00.0080.04419.96
7.0.330.0210.00616.98
7.0.320.0230.00916.87
7.0.310.0230.00417.14
7.0.300.0250.00316.93
7.0.290.0160.01317.20
7.0.280.0260.00417.03
7.0.270.0160.00817.04
7.0.260.0170.00817.13
7.0.250.0180.00917.08
7.0.240.0190.00617.02
7.0.230.0170.00817.13
7.0.220.0230.00317.11
7.0.210.0180.00716.96
7.0.200.0090.00716.82
7.0.190.0180.00716.94
7.0.180.0140.01117.15
7.0.170.0210.00417.05
7.0.160.0230.00317.06
7.0.150.0220.00817.19
7.0.140.0090.04219.66
7.0.130.0180.00717.00
7.0.120.0070.02319.63
7.0.110.0220.00416.88
7.0.100.0190.00617.10
7.0.90.0170.00817.15
7.0.80.0150.01217.13
7.0.70.0200.00617.02
7.0.60.0160.02018.41
7.0.50.0150.02117.44
7.0.40.0170.03917.37
7.0.30.0160.02817.37
7.0.20.0100.04617.41
7.0.10.0100.03617.46
7.0.00.0120.03017.46
5.6.400.0230.00416.05
5.6.390.0180.01215.53
5.6.380.0200.00715.45
5.6.370.0220.01115.55
5.6.360.0100.01716.12
5.6.350.0180.00916.04
5.6.340.0160.01215.57
5.6.330.0160.01215.86
5.6.320.0140.01415.92
5.6.310.0250.00215.79
5.6.300.0160.02015.92
5.6.290.0120.01515.88
5.6.280.0120.04118.46
5.6.270.0140.01415.68
5.6.260.0170.01015.62
5.6.250.0140.01115.87
5.6.240.0170.01015.75
5.6.230.0230.00315.92
5.6.220.0120.01515.82
5.6.210.0110.04318.20
5.6.200.0120.03916.99
5.6.190.0160.04217.08
5.6.180.0090.02616.96
5.6.170.0140.02917.04
5.6.160.0170.04217.17
5.6.150.0170.03217.05
5.6.140.0090.05116.89
5.6.130.0100.04117.02
5.6.120.0140.04017.06
5.6.110.0150.04317.00
5.6.100.0080.04016.95
5.6.90.0110.04616.91
5.6.80.0120.04316.78
5.6.70.0130.03616.68
5.6.60.0150.04616.63
5.6.50.0150.02516.70
5.6.40.0110.02516.71
5.6.30.0120.02216.60
5.6.20.0150.03916.73
5.6.10.0120.04316.70
5.6.00.0130.04216.55
5.5.380.0220.01415.84
5.5.370.0200.00915.79
5.5.360.0090.01815.74
5.5.350.0150.04717.97
5.5.340.0150.02617.02
5.5.330.0140.02516.93
5.5.320.0200.03916.87
5.5.310.0150.04316.81
5.5.300.0130.02716.96
5.5.290.0140.04516.90
5.5.280.0140.02516.77
5.5.270.0140.02716.92
5.5.260.0110.02616.83
5.5.250.0180.04416.64
5.5.240.0090.04216.49
5.5.230.0120.03116.51
5.5.220.0100.04316.53
5.5.210.0150.02716.54
5.5.200.0080.02716.53
5.5.190.0100.02416.46
5.5.180.0140.03416.44
5.5.170.0250.00015.81
5.5.160.0140.04416.55
5.5.150.0130.04116.40
5.5.140.0120.03816.41
5.5.130.0140.04116.61
5.5.120.0100.04316.39
5.5.110.0140.03916.50
5.5.100.0140.03916.58
5.5.90.0140.02416.38
5.5.80.0130.02716.26
5.5.70.0080.04716.53
5.5.60.0160.04216.32
5.5.50.0160.03816.47
5.5.40.0120.04116.29
5.5.30.0090.02716.46
5.5.20.0120.03916.39
5.5.10.0160.03816.26
5.5.00.0170.03216.50
5.4.450.0100.02716.00
5.4.440.0140.03516.04
5.4.430.0090.02516.01
5.4.420.0100.04016.03
5.4.410.0130.03915.86
5.4.400.0080.02415.78
5.4.390.0110.04015.72
5.4.380.0120.02615.87
5.4.370.0120.03915.65
5.4.360.0130.04015.85
5.4.350.0120.04015.84
5.4.340.0110.03315.71
5.4.330.0150.00612.67
5.4.320.0120.03815.86
5.4.310.0130.03815.86
5.4.300.0080.04615.82
5.4.290.0110.03915.83
5.4.280.0070.03215.78
5.4.270.0060.04115.75
5.4.260.0130.03815.85
5.4.250.0070.03715.85
5.4.240.0120.02615.67
5.4.230.0100.03715.78
5.4.220.0110.03915.68
5.4.210.0140.03815.70
5.4.200.0140.03015.71
5.4.190.0070.03415.75
5.4.180.0090.04415.79
5.4.170.0130.04015.72
5.4.160.0070.04415.73
5.4.150.0110.02215.81
5.4.140.0100.02114.66
5.4.130.0120.02014.43
5.4.120.0070.02314.55
5.4.110.0060.03014.34
5.4.100.0100.03014.50
5.4.90.0090.03014.56
5.4.80.0110.03314.52
5.4.70.0080.02814.42
5.4.60.0090.03714.48
5.4.50.0120.02514.41
5.4.40.0110.02314.44
5.4.30.0110.03514.44
5.4.20.0050.04114.30
5.4.10.0070.03214.51
5.4.00.0100.03514.25
5.3.290.0090.04013.99
5.3.280.0100.03713.73
5.3.270.0150.03613.87
5.3.260.0140.03713.90
5.3.250.0120.02013.83
5.3.240.0030.03013.78
5.3.230.0120.02013.74
5.3.220.0100.02113.68
5.3.210.0140.03013.69
5.3.200.0090.04313.71
5.3.190.0110.02713.82
5.3.180.0100.03213.84
5.3.170.0140.03713.87
5.3.160.0060.03913.81
5.3.150.0130.04413.89
5.3.140.0060.04013.78
5.3.130.0080.04513.78
5.3.120.0140.02513.79
5.3.110.0110.03613.85
5.3.100.0090.04213.59
5.3.90.0100.04013.57
5.3.80.0130.02813.46
5.3.70.0070.04113.51
5.3.60.0070.03113.70
5.3.50.0100.04313.56
5.3.40.0090.03913.51
5.3.30.0070.02713.48
5.3.20.0110.02113.40
5.3.10.0090.04113.31
5.3.00.0090.02113.25
5.2.170.0080.03511.70
5.2.160.0090.03311.78
5.2.150.0090.02111.69
5.2.140.0090.01711.56
5.2.130.0050.01911.41
5.2.120.0080.01711.58
5.2.110.0090.01811.50
5.2.100.0040.04111.58
5.2.90.0100.03011.46
5.2.80.0080.03611.48
5.2.70.0100.02311.49
5.2.60.0070.03611.44
5.2.50.0100.02911.44
5.2.40.0100.03011.57
5.2.30.0080.03511.57
5.2.20.0050.02511.38
5.2.10.0040.02711.23
5.2.00.0130.01311.31
5.1.60.0120.02310.56
5.1.50.0040.01810.50
5.1.40.0060.03010.54
5.1.30.0020.03310.87
5.1.20.0060.03010.70
5.1.10.0030.03210.69
5.1.00.0070.02710.63
5.0.50.0030.0269.65
5.0.40.0040.0149.48
5.0.30.0040.0209.46
5.0.20.0050.0259.49
5.0.10.0050.0209.43
5.0.00.0030.0359.33
4.4.90.0050.0199.04
4.4.80.0030.0209.04
4.4.70.0050.0209.04
4.4.60.0040.0109.04
4.4.50.0030.0119.04
4.4.40.0030.0259.04
4.4.30.0040.0129.04
4.4.20.0030.0089.04
4.4.10.0020.0159.04
4.4.00.0000.0259.04
4.3.110.0020.0159.04
4.3.100.0050.0179.04
4.3.90.0070.0179.04
4.3.80.0030.0279.04
4.3.70.0000.0149.04
4.3.60.0020.0209.04
4.3.50.0010.0179.04
4.3.40.0070.0209.04
4.3.30.0010.0189.04
4.3.20.0020.0149.04
4.3.10.0020.0149.04
4.3.00.0020.0189.04

preferences:
43.08 ms | 400 KiB | 5 Q