3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'abc'; $b = empty($a)?"true":"false"; echo $b;

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)
8.3.40.0040.01118.67
8.3.30.0000.01418.95
8.3.20.0050.00220.21
8.3.10.0040.00422.04
8.3.00.0040.00422.43
8.2.170.0040.01122.96
8.2.160.0140.00319.04
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0180.00026.16
8.2.120.0060.00319.23
8.2.110.0070.00322.26
8.2.100.0090.00319.45
8.2.90.0040.00419.08
8.2.80.0030.00617.97
8.2.70.0000.00817.63
8.2.60.0040.00418.04
8.2.50.0000.00818.07
8.2.40.0000.00819.63
8.2.30.0040.00418.05
8.2.20.0040.00417.56
8.2.10.0040.00417.74
8.2.00.0050.00317.65
8.1.270.0000.00822.02
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0030.00623.96
8.1.230.0070.00319.08
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.30
8.1.180.0000.00818.70
8.1.170.0060.00318.52
8.1.160.0030.00322.13
8.1.150.0040.00418.49
8.1.140.0070.00017.30
8.1.130.0030.00317.81
8.1.120.0000.00817.41
8.1.110.0000.00817.41
8.1.100.0000.00717.38
8.1.90.0000.00717.41
8.1.80.0000.00817.46
8.1.70.0000.00817.28
8.1.60.0030.00617.57
8.1.50.0020.00517.50
8.1.40.0000.00717.44
8.1.30.0000.00817.53
8.1.20.0000.00817.55
8.1.10.0000.00717.55
8.1.00.0040.00417.42
8.0.300.0070.00018.77
8.0.290.0000.00717.05
8.0.280.0040.00318.35
8.0.270.0030.00317.26
8.0.260.0000.00616.80
8.0.250.0000.00716.95
8.0.240.0000.00716.98
8.0.230.0030.00316.86
8.0.220.0060.00016.83
8.0.210.0050.00316.83
8.0.200.0030.00316.78
8.0.190.0080.00016.88
8.0.180.0000.00716.82
8.0.170.0080.00016.84
8.0.160.0060.00316.81
8.0.150.0030.00316.74
8.0.140.0030.00516.83
8.0.130.0060.00013.30
8.0.120.0040.00416.71
8.0.110.0040.00416.76
8.0.100.0000.00716.70
8.0.90.0030.00416.66
8.0.80.0100.01016.84
8.0.70.0040.00416.81
8.0.60.0040.00416.78
8.0.50.0040.00416.63
8.0.30.0110.00817.09
8.0.20.0090.00917.40
8.0.10.0000.00716.78
8.0.00.0110.01116.77
7.4.330.0000.00615.00
7.4.320.0030.00316.43
7.4.300.0000.00716.54
7.4.290.0030.00616.55
7.4.280.0030.00316.42
7.4.270.0000.00616.54
7.4.260.0000.00716.45
7.4.250.0000.00816.46
7.4.240.0000.00716.48
7.4.230.0000.00716.46
7.4.220.0060.00916.44
7.4.210.0060.01116.49
7.4.200.0040.00416.64
7.4.190.0030.00316.30
7.4.160.0090.00616.39
7.4.150.0100.00717.40
7.4.140.0080.01017.86
7.4.130.0110.00616.46
7.4.120.0080.00916.50
7.4.110.0030.01416.32
7.4.100.0170.00716.45
7.4.90.0060.01216.66
7.4.80.0110.00719.39
7.4.70.0130.00916.32
7.4.60.0070.01116.55
7.4.50.0080.00016.08
7.4.40.0070.00722.77
7.4.30.0040.01416.45
7.4.00.0030.01214.84
7.3.330.0000.00512.95
7.3.320.0030.00312.99
7.3.310.0030.00316.20
7.3.300.0060.00016.21
7.3.290.0110.00416.22
7.3.280.0060.01216.21
7.3.270.0100.00717.40
7.3.260.0130.01016.43
7.3.250.0070.00916.30
7.3.240.0140.00416.42
7.3.230.0070.01016.39
7.3.210.0100.00716.15
7.3.200.0080.00819.39
7.3.190.0070.01016.58
7.3.180.0120.00416.18
7.3.170.0080.00716.63
7.3.160.0090.00616.31
7.3.120.0040.01114.61
7.2.330.0100.00716.65
7.2.320.0030.01416.35
7.2.310.0030.01516.56
7.2.300.0080.00816.20
7.2.290.0070.01016.30
7.1.70.0050.00517.08
7.1.60.0030.01919.82
7.1.50.0100.01316.54
7.1.00.0070.07322.30
7.0.200.0000.01616.72
7.0.140.0100.06722.09
7.0.100.0430.07020.05
7.0.90.0100.06719.85
7.0.80.0130.07719.92
7.0.70.0170.07019.89
7.0.60.0130.06719.92
7.0.50.0430.05320.34
7.0.40.0130.08020.17
7.0.30.0030.08320.07
7.0.20.0100.07720.08
7.0.10.0100.07320.03
7.0.00.0070.07020.09
5.6.280.0000.07720.77
5.6.250.0070.04320.59
5.6.240.0030.07720.63
5.6.230.0070.08720.68
5.6.220.0070.05720.55
5.6.210.0100.04720.76
5.6.200.0030.05321.02
5.6.190.0030.05320.95
5.6.180.0000.05321.10
5.6.170.0170.07021.01
5.6.160.0000.04721.00
5.6.150.0070.08320.95
5.6.140.0030.05020.90
5.6.130.0000.05321.04
5.6.120.0030.05321.03
5.6.110.0200.07021.04
5.6.100.0130.03721.15
5.6.90.0030.08720.98
5.6.80.0200.06320.52
5.6.70.0100.06720.45
5.6.60.0030.08020.31
5.6.50.0100.08020.41
5.6.40.0030.08320.35
5.6.30.0100.07320.29
5.6.20.0200.07020.36
5.6.10.0130.05320.34
5.6.00.0170.06720.32
5.5.380.0070.04720.41
5.5.370.0030.04720.55
5.5.360.0100.05320.54
5.5.350.0100.07720.41
5.5.340.0070.08020.73
5.5.330.0070.08020.86
5.5.320.0030.04720.71
5.5.310.0100.08020.89
5.5.300.0130.08320.89
5.5.290.0100.08720.90
5.5.280.0130.08020.72
5.5.270.0170.07020.72
5.5.260.0100.04720.90
5.5.250.0000.09020.45
5.5.240.0100.07020.24
5.5.230.0170.07020.23
5.5.220.0100.07320.19
5.5.210.0000.08020.14
5.5.200.0070.06720.10
5.5.190.0030.07320.14
5.5.180.0030.08020.23
5.5.160.0100.06720.12
5.5.150.0000.07720.09
5.5.140.0000.05320.13
5.5.130.0070.07320.14
5.5.120.0030.04320.09
5.5.110.0100.07020.19
5.5.100.0070.07019.95
5.5.90.0070.09320.12
5.5.80.0070.04020.14
5.5.70.0030.08320.08
5.5.60.0070.04320.10
5.5.50.0000.06720.04
5.5.40.0000.04720.05
5.5.30.0100.04019.92
5.5.20.0070.08320.13
5.5.10.0100.06320.03
5.5.00.0070.04320.09
5.4.450.0130.07319.35
5.4.440.0100.06019.36
5.4.430.0100.05019.41
5.4.420.0100.04319.44
5.4.410.0030.07319.25
5.4.400.0100.02719.03
5.4.390.0100.03018.90
5.4.380.0130.06718.90
5.4.370.0070.07719.12
5.4.360.0070.07719.23
5.4.350.0030.07019.04
5.4.340.0070.08318.96
5.4.320.0070.04719.04
5.4.310.0130.03719.10
5.4.300.0070.06718.96
5.4.290.0070.06318.90
5.4.280.0070.06719.02
5.4.270.0070.07018.80
5.4.260.0070.06019.02
5.4.250.0100.04319.09
5.4.240.0100.06719.02
5.4.230.0100.07319.08
5.4.220.0070.06719.02
5.4.210.0100.05318.93
5.4.200.0100.06718.97
5.4.190.0100.07018.89
5.4.180.0170.02719.21
5.4.170.0000.05719.02
5.4.160.0030.03719.12
5.4.150.0030.04018.93
5.4.140.0030.07716.35
5.4.130.0030.07316.21
5.4.120.0100.07016.32
5.4.110.0070.07716.42
5.4.100.0130.06016.32
5.4.90.0030.07316.26
5.4.80.0170.06016.20
5.4.70.0070.07016.44
5.4.60.0070.04016.28
5.4.50.0130.06716.18
5.4.40.0070.06716.29
5.4.30.0030.07316.18
5.4.20.0070.06316.27
5.4.10.0070.04316.28
5.4.00.0070.07315.68
5.3.290.0070.05714.64
5.3.280.0100.07014.57
5.3.270.0030.07014.59
5.3.260.0000.08014.43
5.3.250.0070.07314.55
5.3.240.0070.03314.60
5.3.230.0070.07714.55
5.3.220.0000.07714.52
5.3.210.0030.07714.40
5.3.200.0130.06314.38
5.3.190.0100.07314.39
5.3.180.0130.07014.39
5.3.170.0000.05014.53
5.3.160.0070.06014.56
5.3.150.0100.07314.38
5.3.140.0070.05714.54
5.3.130.0070.07714.40
5.3.120.0100.07314.53
5.3.110.0070.07314.54
5.3.100.0070.05714.04
5.3.90.0070.06314.00
5.3.80.0070.06714.00
5.3.70.0100.07013.95
5.3.60.0070.03713.97
5.3.50.0130.03013.80
5.3.40.0030.04013.90
5.3.30.0100.06713.89
5.3.20.0000.03713.63
5.3.10.0030.07313.61
5.3.00.0070.06313.58
5.2.170.0000.06712.16
5.2.160.0030.04712.16
5.2.150.0030.06012.16
5.2.140.0070.06312.16
5.2.130.0030.06712.16
5.2.120.0100.05012.16
5.2.110.0170.05312.16
5.2.100.0030.05712.16
5.2.90.0030.04012.16
5.2.80.0030.05312.16
5.2.70.0000.04012.16
5.2.60.0030.05712.16
5.2.50.0070.04012.16
5.2.40.0030.03312.16
5.2.30.0030.06712.16
5.2.20.0100.03012.16
5.2.10.0030.03312.16
5.2.00.0030.03012.16
5.1.60.0000.03012.16
5.1.50.0030.04312.16
5.1.40.0000.03012.16
5.1.30.0030.05312.16
5.1.20.0070.04712.16
5.1.10.0030.04312.16
5.1.00.0100.03312.16
5.0.50.0000.04712.16
5.0.40.0030.04712.16
5.0.30.0030.03712.16
5.0.20.0070.02312.16
5.0.10.0000.05312.16
5.0.00.0030.04712.16
4.4.90.0070.01712.16
4.4.80.0070.02312.16
4.4.70.0000.04312.16
4.4.60.0030.02312.16
4.4.50.0000.03712.16
4.4.40.0000.05312.16
4.4.30.0000.02012.16
4.4.20.0000.02012.16
4.4.10.0030.03012.16
4.4.00.0070.03712.16
4.3.110.0030.02012.16
4.3.100.0070.02312.16
4.3.90.0000.02012.16
4.3.80.0070.04712.16
4.3.70.0070.02712.16
4.3.60.0000.04012.16
4.3.50.0100.02312.16
4.3.40.0030.03312.16
4.3.30.0000.03012.16
4.3.20.0000.04012.16
4.3.10.0030.03312.16
4.3.00.0000.03012.16

preferences:
41.1 ms | 400 KiB | 5 Q