3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$s = ''; print "isset: '" . isset($s) . "'. "; print "!empty: '" . !empty($s) . "'"; ?>

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)
8.3.60.0120.00916.50
8.3.50.0110.00317.80
8.3.40.0070.00718.67
8.3.30.0040.01118.49
8.3.20.0000.00818.48
8.3.10.0080.00021.79
8.3.00.0080.00020.81
8.2.180.0100.01016.32
8.2.170.0120.00322.96
8.2.160.0120.00320.34
8.2.150.0030.00624.18
8.2.140.0050.00324.66
8.2.130.0040.00421.13
8.2.120.0040.00426.35
8.2.110.0070.00320.97
8.2.100.0190.00418.02
8.2.90.0130.00618.08
8.2.80.0130.00618.27
8.2.70.0170.00338.52
8.2.60.0150.00338.57
8.2.50.0160.00538.62
8.2.40.0120.00539.46
8.2.30.0140.00338.94
8.2.20.0150.00338.54
8.2.10.0060.01138.55
8.2.00.0140.00338.46
8.1.270.0030.00524.01
8.1.260.0030.00528.09
8.1.250.0040.00428.09
8.1.240.0080.00420.74
8.1.230.0140.00519.70
8.1.220.0090.00718.09
8.1.210.0120.00618.63
8.1.200.0110.00638.37
8.1.190.0100.00738.33
8.1.180.0140.00438.62
8.1.170.0140.00338.81
8.1.160.0140.00438.88
8.1.150.0130.00539.94
8.1.140.0140.00339.09
8.1.130.0100.00738.46
8.1.120.0120.00538.35
8.1.110.0100.00738.37
8.1.100.0110.00738.40
8.1.90.0150.00338.38
8.1.80.0130.00638.40
8.1.70.0120.00333.11
8.1.60.0130.00533.16
8.1.50.0110.00829.95
8.1.40.0120.00530.01
8.1.30.0100.00628.01
8.1.20.0160.00327.98
8.1.10.0120.00527.87
8.1.00.0140.00327.81
8.0.300.0170.00218.83
8.0.290.0130.00438.13
8.0.280.0070.00838.68
8.0.270.0120.00438.30
8.0.260.0140.00338.31
8.0.250.0100.00438.22
8.0.240.0100.00538.21
8.0.230.0110.00538.23
8.0.220.0140.00138.18
8.0.210.0090.00738.20
8.0.200.0100.00532.82
8.0.190.0100.00532.87
8.0.180.0120.00329.64
8.0.170.0090.00629.59
8.0.160.0120.00427.44
8.0.150.0080.00527.43
8.0.140.0090.00527.46
8.0.130.0100.00226.87
8.0.120.0100.00627.46
8.0.110.0090.00525.92
8.0.100.0110.00425.94
8.0.90.0090.00525.96
8.0.80.0100.00525.95
8.0.70.0090.00725.89
8.0.60.0090.00625.90
8.0.50.0130.00425.95
8.0.30.0110.00723.28
8.0.20.0110.00622.80
8.0.10.0090.00724.87
8.0.00.0100.00524.02
7.4.330.0080.00537.77
7.4.320.0130.00438.11
7.4.300.0130.00232.68
7.4.290.0080.00629.46
7.4.280.0110.00627.25
7.4.270.0110.00327.25
7.4.260.0100.00527.24
7.4.250.0120.00427.20
7.4.240.0130.00227.17
7.4.230.0080.00725.71
7.4.220.0100.00725.71
7.4.210.0090.00725.66
7.4.200.0120.00325.67
7.4.190.0080.00725.74
7.4.180.0090.00625.66
7.4.160.0090.00723.63
7.4.150.0120.00323.68
7.4.140.0120.00322.63
7.4.130.0100.00722.31
7.4.120.0100.00722.30
7.4.110.0100.00523.52
7.4.100.0090.00623.62
7.4.90.0130.00323.53
7.4.80.0080.00923.91
7.4.70.0100.00623.58
7.4.60.0100.00523.51
7.4.50.0100.00623.48
7.4.40.0120.00523.49
7.4.30.0090.00623.52
7.4.20.0080.00723.51
7.4.10.0100.00723.57
7.4.00.0110.00422.68
7.3.330.0110.00526.50
7.3.320.0120.00526.55
7.3.310.0090.00727.06
7.3.300.0100.00325.51
7.3.290.0070.00822.13
7.3.280.0090.00821.61
7.3.270.0100.00623.57
7.3.260.0100.00622.71
7.3.250.0110.00522.09
7.3.240.0110.00522.76
7.3.230.0090.00823.49
7.3.220.0110.00524.29
7.3.210.0120.00423.42
7.3.200.0120.00423.39
7.3.190.0090.00723.43
7.3.180.0100.00723.44
7.3.170.0090.00723.39
7.3.160.0110.00523.43
7.3.150.0110.00523.44
7.3.140.0100.00623.46
7.3.130.0100.00623.41
7.3.120.0120.00423.39
7.3.110.0110.00523.39
7.3.100.0110.00422.50
7.3.90.0100.00621.96
7.3.80.0120.00521.81
7.3.70.0110.00521.81
7.3.60.0110.00621.92
7.3.50.0120.00521.87
7.3.40.0130.00521.90
7.3.30.0090.00721.91
7.3.20.0110.00621.94
7.3.10.0120.00521.48
7.3.00.0220.00721.01
7.2.340.0120.00624.43
7.2.330.0110.00623.47
7.2.320.0110.00623.49
7.2.310.0110.00623.49
7.2.300.0120.00623.54
7.2.290.0100.00623.57
7.2.280.0130.00423.54
7.2.270.0110.00523.50
7.2.260.0110.00623.51
7.2.250.0090.00823.52
7.2.240.0120.00423.52
7.2.230.0120.00522.63
7.2.220.0120.00621.97
7.2.210.0110.00621.90
7.2.200.0100.00822.03
7.2.190.0100.00722.03
7.2.180.0110.00622.09
7.2.170.0120.00622.07
7.2.160.0110.00722.02
7.2.150.0120.00722.16
7.2.140.0190.00722.10
7.2.130.0180.00721.31
7.2.120.0150.00720.82
7.2.110.0490.00720.77
7.2.100.0540.00520.78
7.2.90.0430.00720.39
7.2.80.0460.00720.38
7.2.70.0350.00720.43
7.2.60.0450.00620.09
7.2.50.0260.00720.11
7.2.40.0490.00720.00
7.2.30.0430.00720.00
7.2.20.0420.00820.00
7.2.10.0460.00720.00
7.2.00.0490.00720.01
7.1.330.0120.00623.58
7.1.320.0120.00521.90
7.1.310.0100.00621.80
7.1.300.0130.00521.83
7.1.290.0130.00621.86
7.1.280.0120.00621.82
7.1.270.0120.00621.80
7.1.260.0130.00421.81
7.1.250.0160.00620.16
7.1.240.0310.00520.05
7.1.230.0500.00520.09
7.1.220.0240.00720.05
7.1.210.0470.00619.67
7.1.200.0480.00519.35
7.1.190.0440.00719.63
7.1.180.0290.00619.62
7.1.170.0280.00719.27
7.1.160.0430.00819.23
7.1.150.0510.00719.29
7.1.140.0500.00719.30
7.1.130.0560.00719.24
7.1.120.0490.00619.29
7.1.110.0420.00719.29
7.1.100.0400.00719.25
7.1.90.0430.00619.14
7.1.80.0370.00619.17
7.1.70.0350.00719.05
7.1.60.0400.00622.26
7.1.50.0350.00922.24
7.1.40.0410.00722.22
7.1.30.0450.00622.20
7.1.20.0390.00622.21
7.1.10.0340.00718.96
7.1.00.0390.00719.01
7.0.330.0150.00720.30
7.0.320.0230.00719.83
7.0.310.0440.00619.43
7.0.300.0480.00618.95
7.0.290.0540.00618.97
7.0.280.0290.00819.40
7.0.270.0460.00719.04
7.0.260.0430.00819.02
7.0.250.0490.00618.99
7.0.240.0560.00619.01
7.0.230.0440.00619.03
7.0.220.0440.00518.96
7.0.210.0370.00618.79
7.0.200.0400.00718.88
7.0.190.0510.00718.79
7.0.180.0310.00818.77
7.0.170.0420.00718.83
7.0.160.0390.00518.81
7.0.150.0330.00818.77
7.0.140.0350.00718.75
7.0.130.0360.00718.89
7.0.120.0350.00618.84
7.0.110.0370.00618.81
7.0.100.0350.00618.82
7.0.90.0300.00918.82
7.0.80.0360.00718.77
7.0.70.0330.00618.78
7.0.60.0480.00718.75
7.0.50.0300.00718.82
7.0.40.0350.00818.81
7.0.30.0360.00718.86
7.0.20.0270.00718.77
7.0.10.0260.00518.85
7.0.00.0270.00818.88
5.6.400.0110.00621.50
5.6.390.0120.00621.48
5.6.380.0130.00719.91
5.6.370.0130.00619.92
5.6.360.0140.00619.94
5.6.350.0120.00719.92
5.6.340.0130.00619.96
5.6.330.0130.00619.93
5.6.320.0120.00719.88
5.6.310.0110.00719.96
5.6.300.0130.01419.66
5.6.290.0130.01319.70
5.6.280.0110.01419.71
5.6.270.0130.01319.73
5.6.260.0130.01319.70
5.6.250.0120.01419.69
5.6.240.0120.01519.73
5.6.230.0120.01519.72
5.6.220.0120.01619.69
5.6.210.0120.01519.64
5.6.200.0130.01419.73
5.6.190.0150.01319.70
5.6.180.0130.01219.68
5.6.170.0110.01419.71
5.6.160.0110.01619.68
5.6.150.0130.01319.69
5.6.140.0120.01419.78
5.6.130.0130.01319.72
5.6.120.0120.01519.66
5.6.110.0110.01419.70
5.6.100.0110.01319.63
5.6.90.0120.01419.67
5.6.80.0140.01219.58
5.6.70.0120.01319.56
5.6.60.0130.01319.58
5.6.50.0120.01419.56
5.6.40.0120.01219.55
5.6.30.0120.01219.54
5.6.20.0120.01319.57
5.6.10.0130.01219.54
5.6.00.0120.01319.54

preferences:
67.06 ms | 400 KiB | 5 Q