3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = " "; if (empty($var)) { echo "empty!";}else{echo"Not empty.";}

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)
8.3.60.0150.00416.38
8.3.50.0070.01217.28
8.3.40.0070.00718.45
8.3.30.0140.00718.50
8.3.20.0040.00418.54
8.3.10.0040.00418.50
8.3.00.0060.00319.25
8.2.180.0170.00316.63
8.2.170.0070.00722.96
8.2.160.0070.00718.64
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00019.77
8.2.110.0060.00320.43
8.2.100.0060.00617.78
8.2.90.0000.00817.75
8.2.80.0050.00318.83
8.2.70.0000.00817.80
8.2.60.0040.00418.03
8.2.50.0030.00518.10
8.2.40.0000.00821.20
8.2.30.0040.00419.09
8.2.20.0050.00317.59
8.2.10.0050.00317.62
8.2.00.0070.00017.54
8.1.280.0070.01425.92
8.1.270.0100.00023.99
8.1.260.0100.00326.35
8.1.250.0040.00428.09
8.1.240.0000.00823.92
8.1.230.0100.00322.70
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0040.00417.22
8.1.190.0060.00317.10
8.1.180.0000.00818.85
8.1.170.0050.00218.67
8.1.160.0050.00318.91
8.1.150.0070.00018.57
8.1.140.0000.00717.25
8.1.130.0050.00219.16
8.1.120.0000.00817.41
8.1.110.0070.00017.27
8.1.100.0050.00317.39
8.1.90.0000.00817.37
8.1.80.0020.00517.39
8.1.70.0070.00017.36
8.1.60.0050.00317.49
8.1.50.0000.00817.39
8.1.40.0040.00417.35
8.1.30.0070.00417.63
8.1.20.0030.01017.45
8.1.10.0000.00717.51
8.1.00.0060.00317.34
8.0.300.0000.00918.77
8.0.290.0000.00716.75
8.0.280.0050.00318.35
8.0.270.0070.00017.25
8.0.260.0000.00616.79
8.0.250.0080.00016.82
8.0.240.0000.00716.83
8.0.230.0040.00416.89
8.0.220.0080.00016.88
8.0.210.0050.00516.71
8.0.200.0000.00716.78
8.0.190.0000.00716.83
8.0.180.0000.00716.80
8.0.170.0000.00716.83
8.0.160.0000.00916.87
8.0.150.0040.00416.77
8.0.140.0000.00716.64
8.0.130.0000.00613.21
8.0.120.0060.00316.73
8.0.110.0040.00416.68
8.0.100.0050.00316.68
8.0.90.0000.00716.73
8.0.80.0090.00616.87
8.0.70.0000.00716.85
8.0.60.0030.00516.63
8.0.50.0080.00016.76
8.0.30.0130.00616.93
8.0.20.0160.00116.89
8.0.10.0000.00716.75
8.0.00.0090.01116.64
7.4.330.0050.00012.89
7.4.320.0060.00016.56
7.4.300.0000.00716.54
7.4.290.0030.00316.45
7.4.280.0040.00416.40
7.4.270.0000.00716.34
7.4.260.0030.00313.19
7.4.250.0060.00316.42
7.4.240.0000.00716.45
7.4.230.0000.00716.54
7.4.220.0180.00616.48
7.4.210.0000.01416.50
7.4.200.0030.00316.59
7.4.190.0050.00316.39
7.4.160.0100.01016.48
7.4.150.0070.01016.29
7.4.140.0090.00917.86
7.4.130.0100.00716.52
7.4.120.0150.00416.39
7.4.110.0150.00716.39
7.4.100.0090.00916.57
7.4.90.0100.00716.45
7.4.80.0070.01019.39
7.4.70.0100.01316.36
7.4.60.0060.01016.40
7.4.50.0000.00816.27
7.4.40.0070.01116.42
7.4.30.0100.00716.65
7.4.00.0060.00614.81
7.3.330.0000.00612.97
7.3.320.0050.00012.95
7.3.310.0030.00316.02
7.3.300.0030.00316.10
7.3.290.0090.00716.12
7.3.280.0080.00816.11
7.3.270.0210.00316.21
7.3.260.0080.01116.17
7.3.240.0090.01216.13
7.3.230.0100.00616.43
7.3.210.0110.00716.35
7.3.200.0100.00616.31
7.3.190.0080.01116.21
7.3.180.0030.01316.19
7.3.170.0090.00616.33
7.3.160.0100.00616.26
7.3.120.0040.01114.68
7.3.10.0130.00316.51
7.3.00.0090.00416.58
7.2.330.0060.01316.57
7.2.320.0100.01316.55
7.2.310.0070.01616.44
7.2.300.0040.01216.47
7.2.290.0030.01416.49
7.2.130.0050.00816.56
7.2.120.0070.00716.30
7.2.110.0060.00616.27
7.2.100.0100.01016.39
7.2.90.0060.00916.47
7.2.80.0090.00916.37
7.2.70.0060.01016.47
7.2.60.0150.00716.23
7.2.50.0040.01116.54
7.2.40.0080.00616.50
7.2.30.0090.00916.41
7.2.20.0050.01116.45
7.2.10.0030.01316.46
7.2.00.0110.00417.92
7.1.250.0100.00315.20
7.1.100.0050.00818.05
7.1.70.0000.01517.09
7.1.60.0190.00319.21
7.1.50.0070.01416.84
7.1.00.0130.02322.36
7.0.200.0880.00316.36
7.0.140.0030.07721.91
7.0.120.0000.03322.05
7.0.60.0100.08320.04
7.0.50.0070.04017.89
7.0.40.0070.05020.32
7.0.30.0270.07720.20
7.0.20.0100.04720.20
7.0.10.0330.08320.17
7.0.00.0100.08320.01
5.6.280.0030.07321.08
5.6.210.0070.08320.54
5.6.200.0100.05018.11
5.6.190.0030.07320.34
5.6.180.0230.05720.30
5.6.170.0500.06020.50
5.6.160.0130.07320.54
5.6.150.0130.04318.19
5.6.140.0070.07718.12
5.6.130.0100.06718.18
5.6.120.0030.09321.09
5.6.110.0100.04321.02
5.6.100.0100.07720.98
5.6.90.0070.08320.98
5.6.80.0130.07320.46
5.6.70.0430.06720.36
5.5.350.0200.07720.41
5.5.340.0130.04318.01
5.5.330.0100.05720.12
5.5.320.0170.04020.59
5.5.310.0400.07020.29
5.5.300.0000.05018.01
5.5.290.0100.05717.88
5.5.280.0070.04720.89
5.5.270.0070.06320.83
5.5.260.0000.04720.79
5.5.250.0170.07020.77
5.5.240.0000.04020.34
5.4.450.2600.04319.42
5.4.440.2530.03719.41
5.4.430.2970.04319.36
5.4.420.3000.03019.24
5.4.410.2870.03319.08
5.4.400.2600.03718.78
5.4.390.2730.03718.78
5.4.380.2630.04019.08
5.4.370.2900.03318.77
5.4.360.2830.04319.06
5.4.350.2770.04019.24
5.4.340.2530.03319.22
5.4.320.2800.04319.21
5.4.310.2630.04018.93
5.4.300.2530.03718.89
5.4.290.2800.03718.88
5.4.280.2800.03318.91
5.4.270.2700.04018.92
5.4.260.2770.04019.08
5.4.250.2530.03718.80
5.4.240.2630.03019.07
5.4.230.2870.03019.13
5.4.220.2870.03718.88
5.4.210.2830.04319.08
5.4.200.2970.03719.09
5.4.190.2730.03719.23
5.4.180.0070.07019.08
5.4.170.0100.07318.77
5.4.160.0100.05719.06
5.4.150.2030.05019.06
5.4.140.2930.03716.16
5.4.130.2870.03716.21
5.4.120.2700.04016.52
5.4.110.2770.04016.06
5.4.100.2570.03016.06
5.4.90.2870.02316.50
5.4.80.2870.04016.20
5.4.70.0070.03316.41
5.4.60.0000.03716.41
5.4.50.0030.03316.18
5.4.40.1470.03716.31
5.4.30.2530.03716.36
5.4.20.2700.03716.45
5.4.10.2670.03716.36
5.4.00.3070.04015.71
5.3.290.2570.04014.53
5.3.280.2600.03314.49
5.3.270.2630.04014.55
5.3.260.2530.04014.61
5.3.250.2670.03714.55
5.3.240.2770.04014.55
5.3.230.2600.03714.43
5.3.220.2530.04014.42
5.3.210.2730.04014.61
5.3.200.3070.04314.65
5.3.190.2900.04014.50
5.3.180.2700.04014.52
5.3.170.2700.03014.65
5.3.160.3030.04714.60
5.3.150.2770.04314.40
5.3.140.2300.03314.47
5.3.130.2800.03314.41
5.3.120.2830.03314.40
5.3.110.3130.03714.45
5.3.100.2600.04013.89
5.3.90.2770.03313.88
5.3.80.2730.03713.82
5.3.70.2670.03714.11
5.3.60.2600.04013.84
5.3.50.2500.03314.03
5.3.40.2900.04313.95
5.3.30.2430.03013.73
5.3.20.2570.03713.63
5.3.10.2870.04013.43
5.3.00.2770.03313.58
5.2.170.2070.03010.97
5.2.160.2370.02311.08
5.2.150.2300.03711.05
5.2.140.2200.03011.00
5.2.130.2070.02710.98
5.2.120.2330.03010.94
5.2.110.2130.03011.14
5.2.100.2330.02310.98
5.2.90.2070.03011.05
5.2.80.2100.02710.95
5.2.70.2370.02711.14
5.2.60.2170.03010.98
5.2.50.2170.02711.11
5.2.40.2030.02711.05
5.2.30.1630.03311.01
5.2.20.1670.02710.86
5.2.10.1900.03010.85
5.2.00.1870.03010.67
5.1.60.1800.0239.89
5.1.50.1930.0309.96
5.1.40.1700.02010.02
5.1.30.1670.02710.25
5.1.20.1770.02310.34
5.1.10.1900.0279.95
5.1.00.1800.02710.22
5.0.50.0830.0208.43
5.0.40.0770.0208.39
5.0.30.0970.0308.39
5.0.20.0970.0208.39
5.0.10.0970.0138.39
5.0.00.0830.0338.39
4.4.90.1000.0138.39
4.4.80.0830.0138.39
4.4.70.0800.0178.39
4.4.60.0970.0208.39
4.4.50.1000.0208.39
4.4.40.0830.0278.39
4.4.30.0870.0178.39
4.4.20.0900.0138.39
4.4.10.0830.0178.39
4.4.00.0830.0278.39
4.3.110.0270.0178.39
4.3.100.0000.0178.39
4.3.90.0000.0208.39
4.3.80.0000.0308.39
4.3.70.0000.0308.39
4.3.60.0000.0178.39
4.3.50.0000.0208.39
4.3.40.0030.0208.39
4.3.30.0000.0178.39
4.3.20.0030.0138.39
4.3.10.0000.0178.39
4.3.00.0230.0138.39

preferences:
113.21 ms | 400 KiB | 5 Q