3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x= trim(" "); if (empty($x)) { echo 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)
8.3.60.0090.01216.63
8.3.50.0140.00522.04
8.3.40.0070.00718.59
8.3.30.0090.00918.96
8.3.20.0000.00720.34
8.3.10.0040.00421.82
8.3.00.0050.00320.82
8.2.180.0180.00416.50
8.2.170.0040.01122.96
8.2.160.0170.00321.96
8.2.150.0040.00424.18
8.2.140.0090.00624.66
8.2.130.0000.00726.16
8.2.120.0040.00419.67
8.2.110.0070.00322.30
8.2.100.0090.00317.63
8.2.90.0030.00519.27
8.2.80.0080.00017.97
8.2.70.0000.00817.50
8.2.60.0050.00217.91
8.2.50.0030.00618.07
8.2.40.0030.00618.28
8.2.30.0050.00217.86
8.2.20.0050.00217.59
8.2.10.0050.00317.96
8.2.00.0040.00417.67
8.1.280.0140.00725.92
8.1.270.0030.00720.55
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.56
8.1.230.0080.00321.04
8.1.220.0070.00017.74
8.1.210.0030.00618.77
8.1.200.0100.00017.00
8.1.190.0080.00017.22
8.1.180.0060.00318.10
8.1.170.0040.00418.62
8.1.160.0040.00321.91
8.1.150.0040.00418.68
8.1.140.0070.00017.44
8.1.130.0030.00317.79
8.1.120.0040.00417.27
8.1.110.0000.00717.34
8.1.100.0040.00417.25
8.1.90.0060.00317.28
8.1.80.0000.00717.24
8.1.70.0000.00717.43
8.1.60.0060.00317.52
8.1.50.0080.00017.34
8.1.40.0050.00317.33
8.1.30.0050.00317.55
8.1.20.0030.00617.55
8.1.10.0000.00817.47
8.1.00.0000.00717.29
8.0.300.0040.00418.77
8.0.290.0030.00316.63
8.0.280.0040.00418.35
8.0.270.0050.00217.24
8.0.260.0030.00317.16
8.0.250.0060.00016.84
8.0.240.0000.00716.79
8.0.230.0000.00716.86
8.0.220.0030.00316.74
8.0.210.0040.00416.66
8.0.200.0000.00616.81
8.0.190.0000.00716.91
8.0.180.0070.00016.86
8.0.170.0080.00016.80
8.0.160.0040.00416.87
8.0.150.0030.00316.85
8.0.140.0070.00016.78
8.0.130.0000.00513.22
8.0.120.0040.00416.81
8.0.110.0040.00416.82
8.0.100.0000.00716.74
8.0.90.0070.00016.62
8.0.80.0090.00616.80
8.0.70.0040.00416.68
8.0.60.0040.00416.80
8.0.50.0040.00416.79
8.0.30.0080.00817.03
8.0.20.0140.00817.40
8.0.10.0040.00416.98
8.0.00.0060.01116.91
7.4.330.0060.00015.09
7.4.320.0000.00816.55
7.4.300.0060.00016.32
7.4.290.0000.00716.41
7.4.280.0000.00816.44
7.4.270.0000.00716.34
7.4.260.0030.00716.49
7.4.250.0000.00816.40
7.4.240.0050.00216.48
7.4.230.0030.00316.43
7.4.220.0070.01116.53
7.4.210.0030.01316.39
7.4.200.0030.00516.41
7.4.160.0130.01016.45
7.4.150.0140.00617.40
7.4.140.0130.00417.86
7.4.130.0060.01216.54
7.4.120.0080.00816.52
7.4.110.0100.01516.58
7.4.100.0060.01216.29
7.4.90.0040.01416.27
7.4.80.0040.01216.36
7.4.70.0160.00016.56
7.4.60.0080.00816.48
7.4.50.0020.00216.45
7.4.40.0070.01016.38
7.4.30.0100.00916.35
7.4.00.0030.01314.86
7.3.330.0050.00012.89
7.3.320.0120.00012.87
7.3.310.0000.00715.89
7.3.300.0000.00716.06
7.3.290.0120.00316.16
7.3.280.0040.01216.12
7.3.270.0030.01517.40
7.3.260.0150.00316.43
7.3.250.0120.00416.25
7.3.240.0080.00816.48
7.3.230.0030.01316.39
7.3.210.0070.01016.27
7.3.200.0090.01219.39
7.3.190.0160.00316.35
7.3.180.0130.00316.19
7.3.170.0110.01116.27
7.3.160.0170.00016.30
7.2.330.0110.00616.66
7.2.320.0100.00716.36
7.2.310.0160.00816.21
7.2.300.0100.00616.43
7.2.290.0070.01716.49
7.2.00.0140.00619.14
7.1.200.0050.00515.71
7.1.100.0030.01118.07
7.1.70.0060.00316.90
7.1.60.0080.00617.27
7.1.50.0100.01016.74
7.1.00.0100.07022.32
7.0.200.0060.00316.65
7.0.140.0000.07022.12
7.0.60.0130.07719.77
7.0.50.0030.06317.80
7.0.40.0100.07020.24
7.0.30.0400.08020.18
7.0.20.0170.07020.24
7.0.10.0070.06020.00
7.0.00.0000.05020.38
5.6.280.0000.07720.99
5.6.210.0030.06720.69
5.6.200.0130.07018.12
5.6.190.0100.08720.45
5.6.180.0200.04320.57
5.6.170.0230.07720.38
5.6.160.0030.04020.48
5.6.150.0030.08318.16
5.6.140.0100.05718.20
5.6.130.0100.08018.07
5.6.120.0070.06720.89
5.6.110.0100.08020.96
5.6.100.0100.04720.88
5.6.90.0270.06721.09
5.6.80.0070.07720.40
5.5.350.3600.03020.40
5.5.340.0030.05018.07
5.5.330.0000.06720.44
5.5.320.0000.04320.29
5.5.310.0330.07020.17
5.5.300.0030.05317.90
5.5.290.0030.04317.91
5.5.280.0000.04320.97
5.5.270.0030.06020.79
5.5.260.0130.07720.87
5.5.250.0170.07320.79
5.5.240.0130.08720.25
5.4.450.3730.04319.45
5.4.440.3300.03719.37
5.4.430.3770.03319.42
5.4.420.3570.03719.45
5.4.410.4170.04719.45
5.4.400.4370.03318.81
5.4.390.4470.04018.81
5.4.380.4170.03019.14
5.4.370.4000.03718.79
5.4.360.4130.04319.06
5.4.350.5070.04019.09
5.4.340.4770.03319.15
5.4.320.3230.03718.79
5.4.310.3430.03319.08
5.4.300.2930.03719.08
5.4.290.2700.04019.06
5.4.280.3070.04018.92
5.4.270.3330.03718.93
5.4.260.3570.03719.21
5.4.250.3070.03319.26
5.4.240.3670.04019.15
5.4.230.3430.03719.21
5.4.220.3900.04719.09
5.4.210.3600.04019.09
5.4.200.3800.04318.80
5.4.190.3530.03719.12
5.4.180.4330.02719.24
5.4.170.3700.03719.20
5.4.160.3800.04318.78
5.4.150.3700.04019.06
5.4.140.3600.04016.54
5.4.130.4370.03716.26
5.4.120.3930.03716.32
5.4.110.3400.03016.36
5.4.100.3800.03316.37
5.4.90.3700.04016.21
5.4.80.3470.04016.39
5.4.70.3730.03716.32
5.4.60.3430.03716.19
5.4.50.2130.03716.36
5.4.40.0030.05716.33
5.4.30.0070.06716.17
5.4.20.4430.03316.45
5.4.10.3570.03016.36
5.4.00.4130.03315.67
5.3.290.3430.03314.69
5.3.280.3700.04014.52
5.3.270.4770.04314.44
5.3.260.4300.03714.46
5.3.250.3630.03714.64
5.3.240.4130.04314.69
5.3.230.4330.03714.55
5.3.220.3670.03714.49
5.3.210.3630.04014.46
5.3.200.3500.03314.40
5.3.190.3600.03714.42
5.3.180.3630.04014.39
5.3.170.3700.04314.59
5.3.160.3730.03314.51
5.3.150.3730.04314.41
5.3.140.0200.06014.41
5.3.130.4430.03014.41
5.3.120.4370.03714.42
5.3.110.4070.03714.39
5.3.100.3830.04013.91
5.3.90.3500.03313.95
5.3.80.3370.03713.85
5.3.70.3830.03313.85
5.3.60.3570.04314.05
5.3.50.3370.03713.71
5.3.40.3570.04013.86
5.3.30.3730.03713.68
5.3.20.3630.04013.77
5.3.10.0300.04313.61
5.3.00.0070.03713.48
5.2.170.2830.02310.99
5.2.160.2770.03011.00
5.2.150.2800.02711.00
5.2.140.2970.03011.00
5.2.130.2770.03310.94
5.2.120.3170.03011.19
5.2.110.0070.06011.14
5.2.100.0500.05310.94
5.2.90.3430.03711.13
5.2.80.3700.03010.95
5.2.70.3970.03011.12
5.2.60.3670.02710.88
5.2.50.3530.03010.85
5.2.40.2700.03310.82
5.2.30.2670.02710.80
5.2.20.2500.03010.86
5.2.10.2530.02710.75
5.2.00.2800.02710.82
5.1.60.2530.02010.10
5.1.50.2400.0239.91
5.1.40.2670.02010.04
5.1.30.3100.02010.41
5.1.20.3070.02710.56
5.1.10.3270.0239.99
5.1.00.2830.03010.20
5.0.50.1430.0238.48
5.0.40.1800.0208.29
5.0.30.1770.0338.37
5.0.20.1670.0208.31
5.0.10.1400.0178.38
5.0.00.1500.0208.20
4.4.90.1770.0175.89
4.4.80.1470.0175.81
4.4.70.1570.0175.77
4.4.60.1230.0205.77
4.4.50.1400.0175.79
4.4.40.1370.0305.89
4.4.30.1200.0135.81
4.4.20.1170.0135.84
4.4.10.1370.0175.88
4.4.00.1370.0235.80
4.3.110.0930.0175.73
4.3.100.1400.0175.77
4.3.90.1500.0135.74
4.3.80.1430.0275.79
4.3.70.1370.0135.77
4.3.60.1630.0105.76
4.3.50.1800.0105.82
4.3.40.2000.0175.73
4.3.30.0800.0205.66
4.3.20.0970.0235.66
4.3.10.0870.0135.66
4.3.00.0730.0135.66

preferences:
52.53 ms | 401 KiB | 5 Q