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)
8.3.60.0130.00718.30
8.3.50.0140.00622.04
8.3.40.0110.00418.77
8.3.30.0000.01418.84
8.3.20.0000.00720.19
8.3.10.0000.00821.96
8.3.00.0080.00022.52
8.2.180.0040.01116.37
8.2.170.0120.00622.96
8.2.160.0030.01019.25
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.38
8.2.110.0090.00022.07
8.2.100.0030.00919.60
8.2.90.0050.00318.98
8.2.80.0080.00017.97
8.2.70.0090.00017.50
8.2.60.0000.00717.93
8.2.50.0000.00818.07
8.2.40.0000.00718.16
8.2.30.0030.00618.04
8.2.20.0070.00017.57
8.2.10.0080.00019.32
8.2.00.0040.00417.66
8.1.280.0070.01125.92
8.1.270.0000.00722.05
8.1.260.0040.00426.35
8.1.250.0140.00028.09
8.1.240.0040.00423.91
8.1.230.0120.00018.91
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0030.00517.30
8.1.180.0000.00818.10
8.1.170.0000.00818.51
8.1.160.0000.00921.90
8.1.150.0040.00418.52
8.1.140.0070.00017.33
8.1.130.0000.00817.85
8.1.120.0000.00817.45
8.1.110.0030.00317.39
8.1.100.0030.00517.23
8.1.90.0030.00517.36
8.1.80.0000.00817.36
8.1.70.0030.00317.29
8.1.60.0030.00517.53
8.1.50.0080.00017.34
8.1.40.0050.00217.36
8.1.30.0000.00717.45
8.1.20.0070.00017.49
8.1.10.0000.00717.51
8.1.00.0070.00017.41
8.0.300.0040.00418.77
8.0.290.0030.00317.05
8.0.280.0000.00718.41
8.0.270.0000.00717.21
8.0.260.0030.00616.80
8.0.250.0030.00316.81
8.0.240.0000.00816.79
8.0.230.0030.00316.80
8.0.220.0040.00416.75
8.0.210.0000.00716.70
8.0.200.0030.00316.92
8.0.190.0030.00516.88
8.0.180.0030.00316.85
8.0.170.0040.00416.80
8.0.160.0040.00416.80
8.0.150.0000.00716.74
8.0.140.0020.00516.67
8.0.130.0030.00313.21
8.0.120.0070.00016.68
8.0.110.0000.00816.84
8.0.100.0040.00416.86
8.0.90.0040.00416.84
8.0.80.0120.00416.70
8.0.70.0000.00716.93
8.0.60.0030.00516.70
8.0.50.0000.00716.80
8.0.30.0110.00816.89
8.0.20.0100.00817.40
8.0.10.0000.00716.82
8.0.00.0200.00416.67
7.4.330.0000.00615.00
7.4.320.0060.00016.45
7.4.300.0060.00016.51
7.4.290.0030.00316.32
7.4.280.0030.00316.32
7.4.270.0000.00716.40
7.4.260.0080.00216.48
7.4.250.0070.00016.53
7.4.240.0020.00516.45
7.4.230.0070.00016.55
7.4.220.0120.00616.35
7.4.210.0070.00816.49
7.4.200.0000.00616.52
7.4.190.0030.00316.68
7.4.160.0160.00016.26
7.4.150.0030.01517.40
7.4.140.0150.00517.86
7.4.130.0110.00716.36
7.4.120.0110.00816.44
7.4.110.0030.01416.23
7.4.100.0170.00616.38
7.4.90.0060.01116.46
7.4.80.0110.00719.39
7.4.70.0130.00316.38
7.4.60.0170.00016.46
7.4.50.0030.00516.25
7.4.40.0030.01322.77
7.4.30.0000.01816.45
7.4.00.0070.00714.82
7.3.330.0050.00313.07
7.3.320.0030.00313.04
7.3.310.0000.00816.06
7.3.300.0060.00016.03
7.3.290.0060.00716.08
7.3.280.0100.00516.19
7.3.270.0100.01317.40
7.3.260.0170.00716.24
7.3.250.0100.00716.43
7.3.240.0140.00716.17
7.3.230.0100.00616.39
7.3.210.0070.01516.33
7.3.200.0130.00319.39
7.3.190.0100.00716.44
7.3.180.0060.00916.22
7.3.170.0110.01016.38
7.3.160.0000.01716.13
7.3.120.0070.01014.51
7.3.110.0040.01414.72
7.3.100.0020.01414.54
7.3.90.0070.00514.88
7.3.80.0050.00714.63
7.3.70.0080.00814.64
7.3.60.0040.01014.72
7.3.50.0040.00414.65
7.3.40.0020.01114.48
7.3.30.0050.00714.71
7.3.20.0080.00616.51
7.3.10.0030.01016.54
7.3.00.0030.00916.58
7.2.330.0090.00916.19
7.2.320.0130.01016.61
7.2.310.0090.00916.56
7.2.300.0000.01616.52
7.2.290.0060.01116.54
7.2.250.0040.01614.89
7.2.240.0060.01114.97
7.2.230.0030.01114.84
7.2.220.0000.01314.96
7.2.210.0030.00714.91
7.2.200.0020.01214.93
7.2.190.0070.00714.89
7.2.180.0090.00514.77
7.2.170.0100.00514.77
7.2.00.0060.01219.14
7.1.330.0130.00215.52
7.1.320.0040.00515.71
7.1.310.0070.00715.55
7.1.300.0070.00915.54
7.1.290.0060.00815.61
7.1.280.0080.00315.64
7.1.270.0100.00315.46
7.1.260.0050.00915.53
7.1.100.0000.00818.01
7.1.70.0030.00716.93
7.1.60.0030.02119.82
7.1.50.0100.01316.80
7.1.00.0030.07722.48
7.0.200.0090.00316.81
7.0.140.0000.07721.98
7.0.60.0000.04320.02
7.0.50.0100.07717.66
7.0.40.0000.05020.20
7.0.30.0200.09020.13
7.0.20.0130.04320.02
7.0.10.0400.07320.09
7.0.00.0130.06720.00
5.6.280.0000.07721.07
5.6.210.0070.04720.64
5.6.200.0130.07718.17
5.6.190.0070.08020.61
5.6.180.0300.08020.24
5.6.170.0400.08020.63
5.6.160.0070.07320.71
5.6.150.0000.08718.12
5.6.140.0030.04718.19
5.6.130.0100.07718.21
5.6.120.0030.04320.99
5.6.110.0130.07721.11
5.6.100.0100.08320.95
5.6.90.0070.04020.94
5.6.80.0030.08720.43
5.6.70.0330.06020.46
5.5.350.0370.06020.32
5.5.340.0070.05017.91
5.5.330.0100.06020.15
5.5.320.0230.04020.21
5.5.310.0230.04320.50
5.5.300.0100.04717.98
5.5.290.0070.06717.96
5.5.280.0130.07720.77
5.5.270.0200.06020.88
5.5.260.0030.04020.86
5.5.250.0100.07020.60
5.5.240.0070.07320.34
5.4.450.0670.05719.60
5.4.440.0630.05319.53
5.4.430.0170.05719.25
5.4.420.0200.04719.50
5.4.410.0230.04318.80
5.4.400.0030.05718.69
5.4.390.0100.05318.72
5.4.380.0230.05718.65
5.4.370.0100.06018.71
5.4.360.0200.05018.59
5.4.350.0200.05018.47
5.4.340.0270.04318.59
5.4.320.0060.03512.45
5.4.310.0070.04012.45
5.4.300.0070.04412.45
5.4.290.0080.04012.45
5.4.280.0070.04412.35
5.4.270.0030.06018.72
5.4.260.0130.05318.72
5.4.250.0130.07318.84
5.4.240.0100.08018.98
5.4.230.0100.08018.87
5.4.220.0170.06318.75
5.4.210.0030.06018.71
5.4.200.0100.06318.78
5.4.190.0100.06318.83
5.4.180.0130.06718.84
5.4.170.0130.07018.62
5.4.160.0100.06718.61
5.4.150.0170.05018.86
5.4.140.0130.05316.50
5.4.130.0130.06316.49
5.4.120.0000.06316.49
5.4.110.0130.07716.33
5.4.100.0130.05716.19
5.4.90.0270.05316.23
5.4.80.0070.05316.38
5.4.70.0070.05316.21
5.4.60.0100.05316.16
5.4.50.0130.04716.37
5.4.40.0170.04016.41
5.4.30.0100.04716.38
5.4.20.0070.06016.30
5.4.10.0200.07016.22
5.4.00.0130.04715.73
5.3.290.0060.03812.80
5.3.280.0100.04714.61
5.3.270.0300.06014.37
5.3.260.0030.06014.62
5.3.250.0030.05314.60
5.3.240.0070.07314.47
5.3.230.0130.07014.47
5.3.220.0030.05714.58
5.3.210.0070.06014.57
5.3.200.0100.08014.48
5.3.190.0070.06714.58
5.3.180.0030.05314.65
5.3.170.0170.06314.56
5.3.160.0130.05714.55
5.3.150.0100.06014.71
5.3.140.0100.05014.54
5.3.130.0170.04714.69
5.3.120.0070.05714.56
5.3.110.0070.07314.24
5.3.100.0100.05013.92
5.3.90.0070.07714.11
5.3.80.0100.05014.06
5.3.70.0200.06013.90
5.3.60.0130.05013.85
5.3.50.0130.06713.83
5.3.40.0200.04314.04
5.3.30.0030.07013.76
5.3.20.0170.05713.68
5.3.10.0030.05013.41
5.3.00.0100.05713.55
5.2.170.0070.04711.03
5.2.160.0000.05311.06
5.2.150.0170.05011.05
5.2.140.0000.06011.15
5.2.130.0100.04010.86
5.2.120.0030.05011.01
5.2.110.0000.05710.93
5.2.100.0130.04711.01
5.2.90.0100.05711.15
5.2.80.0130.05011.10
5.2.70.0070.04711.00
5.2.60.0100.05011.05
5.2.50.0100.05311.01
5.2.40.0130.03710.76
5.2.30.0070.06010.73
5.2.20.0030.06010.95
5.2.10.0030.05010.80
5.2.00.0030.06010.88
5.1.60.0070.03310.14
5.1.50.0100.0409.84
5.1.40.0130.0279.86
5.1.30.0200.04010.25
5.1.20.0130.04310.28
5.1.10.0000.04010.02
5.1.00.0030.04310.25
5.0.50.0000.0338.46
5.0.40.0100.0338.31
5.0.30.0000.0608.15
5.0.20.0070.0338.23
5.0.10.0070.0238.22
5.0.00.0030.0508.24
4.4.90.0030.0306.97
4.4.80.0000.0236.97
4.4.70.0070.0276.97
4.4.60.0000.0306.97
4.4.50.0100.0236.97
4.4.40.0000.0406.97
4.4.30.0070.0276.97
4.4.20.0030.0336.97
4.4.10.0000.0376.97
4.4.00.0000.0506.97
4.3.110.0000.0336.97
4.3.100.0030.0236.97
4.3.90.0030.0206.97
4.3.80.0030.0476.97
4.3.70.0030.0206.97
4.3.60.0030.0206.97
4.3.50.0070.0236.97
4.3.40.0000.0376.97
4.3.30.0030.0236.97
4.3.20.0030.0306.97
4.3.10.0000.0306.97
4.3.00.0070.01315.58

preferences:
38.93 ms | 401 KiB | 5 Q