3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$var = 'A'; //$var = ''; //$var = null; //$var = 0; if (! isset($var) || $var) { echo "not empty or not defiend or a null value"; } else { echo "empty"; } echo "\ninstead\n"; if (! empty($var)) { echo "empty"; } else { echo "not empty or not defiend or a null value"; }

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)
8.3.60.0130.00316.38
8.3.50.0230.01117.42
8.3.40.0060.01318.87
8.3.30.0120.00318.67
8.3.20.0100.00018.70
8.3.10.0200.00018.53
8.3.00.0060.00319.38
8.2.180.0090.00618.16
8.2.170.0090.00622.96
8.2.160.0120.00420.39
8.2.150.0090.00024.18
8.2.140.0110.00824.66
8.2.130.0040.00426.16
8.2.120.0070.01021.03
8.2.110.0060.00320.99
8.2.100.0040.00817.78
8.2.90.0000.01019.17
8.2.80.0040.00419.25
8.2.70.0000.00817.63
8.2.60.0000.00817.80
8.2.50.0030.00618.07
8.2.40.0050.00318.22
8.2.30.0090.00017.90
8.2.20.0080.00017.45
8.2.10.0000.00717.61
8.2.00.0080.00317.55
8.1.280.0100.00725.92
8.1.270.0060.00323.99
8.1.260.0000.00826.35
8.1.250.0130.00728.09
8.1.240.0040.00820.64
8.1.230.0000.01120.90
8.1.220.0050.00317.74
8.1.210.0060.00618.91
8.1.200.0080.00317.23
8.1.190.0040.00417.53
8.1.180.0000.00918.10
8.1.170.0110.00018.57
8.1.160.0000.00718.79
8.1.150.0040.00418.58
8.1.140.0040.00417.39
8.1.130.0070.00017.65
8.1.120.0000.00817.30
8.1.110.0100.00317.42
8.1.100.0040.00417.35
8.1.90.0040.00417.40
8.1.80.0000.00717.29
8.1.70.0000.00717.29
8.1.60.0080.00017.48
8.1.50.0000.00817.39
8.1.40.0000.00817.45
8.1.30.0000.00917.46
8.1.20.0040.00417.51
8.1.10.0060.00317.39
8.1.00.0040.00417.35
8.0.300.0050.00319.91
8.0.290.0040.00416.63
8.0.280.0050.00318.44
8.0.270.0000.00717.20
8.0.260.0030.00316.81
8.0.250.0000.00716.86
8.0.240.0000.00716.80
8.0.230.0080.00016.82
8.0.220.0000.00716.79
8.0.210.0040.00416.89
8.0.200.0000.00816.80
8.0.190.0040.00416.89
8.0.180.0000.00916.90
8.0.170.0000.00916.82
8.0.160.0000.00716.75
8.0.150.0060.00316.89
8.0.140.0040.00416.76
8.0.130.0050.00013.22
8.0.120.0090.00016.79
8.0.110.0040.00416.82
8.0.100.0070.00016.67
8.0.90.0040.00416.67
8.0.80.0110.01116.79
8.0.70.0000.00716.71
8.0.60.0080.00016.92
8.0.50.0060.00316.69
8.0.30.0030.01716.91
8.0.20.0080.01417.02
8.0.10.0020.00516.98
8.0.00.0090.00916.57
7.4.330.0000.00713.00
7.4.320.0000.00616.46
7.4.300.0000.00616.57
7.4.290.0030.00516.59
7.4.280.0070.00016.44
7.4.270.0050.00216.50
7.4.260.0000.00513.21
7.4.250.0000.00816.49
7.4.240.0070.00016.53
7.4.230.0050.00216.62
7.4.220.0060.01516.55
7.4.210.0110.00316.57
7.4.200.0070.00016.45
7.4.190.0080.00016.45
7.4.160.0060.00916.32
7.4.150.0170.00016.27
7.4.140.0190.00616.30
7.4.130.0070.01016.53
7.4.120.0110.00816.38
7.4.110.0060.01216.40
7.4.100.0060.01016.39
7.4.90.0130.01016.45
7.4.80.0070.01119.39
7.4.70.0120.00616.41
7.4.60.0090.00616.46
7.4.50.0000.00816.50
7.4.40.0120.00316.36
7.4.30.0060.01016.34
7.4.00.0050.01114.84
7.3.330.0070.00013.05
7.3.320.0000.00612.95
7.3.310.0000.00716.19
7.3.300.0070.00016.02
7.3.290.0100.00816.11
7.3.280.0110.00416.16
7.3.270.0110.00716.28
7.3.260.0130.00416.52
7.3.250.0100.01016.34
7.3.240.0070.01116.41
7.3.230.0150.00316.21
7.3.210.0110.00516.37
7.3.200.0030.01216.35
7.3.190.0090.00616.23
7.3.180.0090.00616.27
7.3.170.0060.01016.32
7.3.160.0130.00716.24
7.3.120.0060.01114.84
7.3.110.0040.01314.54
7.3.100.0110.00314.52
7.3.90.0070.01014.64
7.3.80.0000.01414.55
7.3.70.0050.00814.67
7.3.60.0050.00714.65
7.3.50.0040.00814.62
7.3.40.0060.00614.54
7.3.30.0030.01214.75
7.3.20.0100.00316.40
7.3.10.0070.00816.48
7.3.00.0120.00416.56
7.2.330.0070.01416.45
7.2.320.0110.01116.32
7.2.310.0100.01416.18
7.2.300.0070.01016.64
7.2.290.0060.01516.58
7.2.250.0060.01214.84
7.2.240.0130.00614.73
7.2.230.0090.00914.94
7.2.220.0100.00615.00
7.2.210.0020.01215.15
7.2.200.0020.01214.93
7.2.190.0070.00814.77
7.2.180.0060.01015.07
7.2.170.0060.00514.71
7.2.130.0130.00316.42
7.2.120.0180.00016.33
7.2.110.0000.01016.34
7.2.100.0080.00516.44
7.2.90.0160.00416.48
7.2.80.0030.01716.38
7.2.70.0150.00016.45
7.2.60.0060.01216.23
7.2.50.0090.00616.29
7.2.40.0090.00316.56
7.2.30.0100.00716.84
7.2.20.0060.00616.10
7.2.10.0030.00716.55
7.2.00.0020.01017.90
7.1.330.0030.01215.68
7.1.320.0050.00815.67
7.1.310.0090.00615.71
7.1.300.0050.00715.55
7.1.290.0070.00715.64
7.1.280.0050.00815.67
7.1.270.0100.00515.35
7.1.260.0060.00915.78
7.1.250.0040.01115.44
7.1.200.0060.00615.52
7.1.100.0060.00917.83
7.1.70.0030.00717.01
7.1.60.0120.00919.30
7.1.50.0110.01416.76
7.1.00.0030.07022.36
7.0.200.0090.00416.61
7.0.140.0070.06021.97
7.0.120.0000.07722.15
7.0.60.0070.06720.03
7.0.50.0070.07317.86
7.0.40.0030.05719.98
7.0.30.0530.07020.17
7.0.20.0370.06720.09
7.0.10.0030.08720.04
7.0.00.0030.08720.00
5.6.280.0100.06721.07
5.6.210.0030.05720.50
5.6.200.0100.04318.19
5.6.190.0100.08720.61
5.6.180.4230.04720.32
5.6.170.0270.08020.52
5.6.160.0070.04320.52
5.6.150.0100.04318.22
5.6.140.0070.08018.18
5.6.130.0000.09018.21
5.6.120.0100.08720.97
5.6.110.0170.06320.96
5.6.100.0070.07321.07
5.6.90.0070.08720.97
5.6.80.0130.07720.39
5.6.70.4370.04320.46
5.5.350.0200.07020.32
5.5.340.0030.03717.98
5.5.330.0170.06320.43
5.5.320.3730.04720.29
5.5.310.0170.06020.17
5.5.300.0170.07317.90
5.5.290.0030.05717.92
5.5.280.0030.06320.73
5.5.270.0100.07720.78
5.5.260.0070.06020.72
5.5.250.0030.04320.79
5.5.240.0230.06320.18
5.4.450.2030.04319.41
5.4.440.2070.04719.57
5.4.430.1970.03719.09
5.4.420.1900.04319.48
5.4.410.1670.03319.44
5.4.400.1800.04019.21
5.4.390.1930.03019.09
5.4.380.1930.04019.09
5.4.370.1870.03319.10
5.4.360.1830.03719.13
5.4.350.1830.04019.24
5.4.340.2000.03719.16
5.4.320.1830.04019.16
5.4.310.2170.03718.92
5.4.300.1830.04019.05
5.4.290.1900.04019.24
5.4.280.1900.04318.89
5.4.270.1970.04019.05
5.4.260.2170.03719.13
5.4.250.1870.04718.93
5.4.240.2130.04019.07
5.4.230.1900.03719.12
5.4.220.1730.03719.23
5.4.210.1930.05019.07
5.4.200.2000.04319.07
5.4.190.1800.03319.12
5.4.180.1830.03718.88
5.4.170.1930.03018.77
5.4.160.2000.03718.89
5.4.150.1930.04319.07
5.4.140.2000.04316.54
5.4.130.2030.04016.26
5.4.120.2000.03716.22
5.4.110.2000.04016.07
5.4.100.2000.04316.51
5.4.90.1700.04016.38
5.4.80.1800.03016.42
5.4.70.2000.04016.41
5.4.60.1670.04016.41
5.4.50.2000.04016.38
5.4.40.1800.03716.45
5.4.30.1970.04316.37
5.4.20.2000.03016.41
5.4.10.1900.04316.36
5.4.00.2070.03715.90
5.3.290.1970.04314.50
5.3.280.2000.04014.46
5.3.270.2000.04714.46
5.3.260.2070.03314.46
5.3.250.1900.03314.45
5.3.240.2000.04314.64
5.3.230.2030.04014.55
5.3.220.1830.03714.52
5.3.210.1700.04314.52
5.3.200.1830.04314.50
5.3.190.2000.04714.52
5.3.180.1830.04714.57
5.3.170.0070.06314.39
5.3.160.0030.07714.41
5.3.150.1030.06314.46
5.3.140.1830.03714.39
5.3.130.1030.03714.53
5.3.120.0000.05314.49
5.3.110.0030.03714.38
5.3.100.1670.04314.08
5.3.90.1800.04013.97
5.3.80.1730.04013.95
5.3.70.1800.03713.92
5.3.60.1870.04313.94
5.3.50.1870.03313.89
5.3.40.1800.04013.72
5.3.30.1830.03713.85
5.3.20.0070.05313.55
5.3.10.0000.04313.52
5.3.00.0800.03313.41
5.2.170.1500.03010.98
5.2.160.1530.02711.05
5.2.150.1500.03011.08
5.2.140.1500.03011.03
5.2.130.1530.03010.99
5.2.120.1570.02711.12
5.2.110.1500.03011.25
5.2.100.1670.03011.18
5.2.90.1730.03311.15
5.2.80.1730.03011.25
5.2.70.1530.03011.14
5.2.60.1670.03311.20
5.2.50.0030.03011.02
5.2.40.0000.03310.83
5.2.30.0030.06310.80
5.2.20.0530.02711.04
5.2.10.1470.03010.90
5.2.00.1370.03310.68
5.1.60.1100.0339.93
5.1.50.1470.02710.15
5.1.40.1400.03010.13
5.1.30.1130.03010.20
5.1.20.1430.03010.31
5.1.10.1370.02010.22
5.1.00.1300.02710.11
5.0.50.0730.0278.41
5.0.40.0600.0208.48
5.0.30.0730.0478.14
5.0.20.0700.0308.17
5.0.10.0730.0238.05
5.0.00.0600.0338.05
4.4.90.0670.0237.97
4.4.80.0000.0207.97
4.4.70.0000.0177.97
4.4.60.0030.0137.97
4.4.50.0000.0377.97
4.4.40.0000.0277.97
4.4.30.0030.0277.97
4.4.20.0000.0207.97
4.4.10.0200.0337.97
4.4.00.0570.0277.97
4.3.110.0570.0177.97
4.3.100.0670.0177.97
4.3.90.0800.0207.97
4.3.80.0730.0337.97
4.3.70.0630.0177.97
4.3.60.0800.0237.97
4.3.50.0730.0277.97
4.3.40.0600.0237.97
4.3.30.0430.0307.97
4.3.20.0400.0307.97
4.3.10.0370.0237.97
4.3.00.0400.0207.97

preferences:
37.14 ms | 401 KiB | 5 Q